夸克网盘
5积分
【06】乐乐课堂-初中12.63GB
初中12.63GB
化学7.64GB
北京版936.33MB
构成物质的微粒65.75MB
03efd7abbaade3d3bac0885fcb161843.mp45.88MB6fb85e71dee299af6eb7044ce38e9766.mp43.38MB7cccf6c512b679e5af9dba85b99faa58.mp46.13MB34ba1f3f55ab216017ae5a9bed41d818.mp44.66MB91ccdaefb1fc8ad95fb544c7a2bcfdbd.mp46.67MB370e62329c3846079ce8b18c6355b1c7.mp44.86MB607d9f0140cfed1ed69a5859168f37c1.mp44.24MB28092e75534843478819ea32f07b6759.mp45.03MBa1c80e3dd8e09fe09db4afc155672a7b.mp44.39MBa3e7b1d88427943d2422668f042d4402.mp43.44MBb8a07d2bb0ef8ccbe456497682bb62b7.mp44.4MBbf1008954450fb449f13d6427d113a2e.mp43.27MBcc41b66a9b52739a40c8ffd2da4ed870.mp44.53MBf6ed878cb5cfdd853fdf4a69b1bba4c4.mp44.86MB化学反应的定量研究72.27MB
0bc747325a1b406efc01222350593a4d.mp47.06MB98aee8427b5594ea5aa26273264b6ba5.mp45.99MB523a561a29f452bbb1ebce0929108ba1.mp47.8MB31654eba9f378cdd5b4b8494594b5f44.mp412.09MB39669831057789068f924370998e6a72.mp411.2MBa99bf4c93f8897bc86a54db3c6c2c337.mp44.73MBb623481050425f4fddd1ecf8f0cc1c6b.mp47.49MBfc8c897cbcd673df5f21e533f0eed37b.mp47.69MBfcfe18a80499b87e2c879dc1d668c84f.mp48.24MB化学与社会生活31.88MB
5afdd4df073ce4560595867d88f9e166.mp47.35MB8c982e3f0ab1c383bfec7581c1746a72.mp45.85MB58e9f03d27cecc13193d0142cc3fbbc5.mp43.86MB89fd4cf69bc126642cf084f7bd816029.mp45.24MB1489fdce974b562a0126ceefa5d3b7f5.mp44.14MBbd22a9388939eaa840fb515e5464f44b.mp45.44MB化学元素与物质组成的表示60.04MB
0a4e1b311e9a01f17010f31b89f1ae00.mp44.09MB1d52be0d7019898fab3ea5300f20ee6c.mp42.94MB7f6c1bbdf2f720099c40afa385bf7f2c.mp48.63MB9f76c1dbcd50b12278ac85eb122cf74a.mp43.91MB31baac43731e3604e2c310848a2a524f.mp44.8MB67b00f3f6b58d7b9ccd9aa950fe14fef.mp45.31MB612b69904579bc36797919b00db6b896.mp44.66MB632aa4465eef151576361977254280d8.mp45.76MBab21a8c03f7d1745a0c5b79501de49cb.mp42.92MBad241cd4e505d70e10736e9a1e4122c8.mp43.6MBc11d3727d37251adfc254b21d2eecccc.mp43.23MBd08f9f6de973482678625150394cc367.mp46.07MBfa8c241c8bdefb31ef0b8050c76baccc.mp44.11MB金属144.34MB
1b6e85d491520478df820ab8fd7d2667.mp46.97MB2b6d0cfbd713e364856c78adf6a20551.mp46.37MB02cfe68c7b42affcf2769ce5f8f22a44.mp49.85MB2feef4bc96c5961bb0b8681d0ee7c2e3.mp45.68MB04c51eb940b788a2855bfaf3848ebb80.mp45.5MB08a113b12fd69b17366e2d9c83e82cae.mp46.14MB8c8c1696825f148ec5ee5e610d06b078.mp47.19MB09bd7f1002ebf564d5831e71eb02b6ba.mp411.37MB11b5995fe2e4f2a2aa3ee7374aaf782f.mp45.95MB42db305f57979f02f615faa47c9325a7.mp45.57MB745b118e99df7b383091ee931a78f1da.mp43.37MB1726fb23274d52f55c9e8a635800722c.mp45.56MB3630c5e5288cc97f6a136276c3284201.mp44.93MB465672495819a856d8ccb9f8aee12c4e.mp46.29MB9914aae0ddfa6f8a0d9596b9a406f81c.mp49.91MBa1955062aba285935384c6d49d31a5f7.mp46.59MBb37d6ff53dd47fe3c5d4f54bdc3c96f2.mp47.27MBb303d175402cb42adc001fd432a21f36.mp48.35MBc48d553c4bde784ce97b85222c832495.mp47.6MBc93b1c2a1705240bf98cdf295834d470.mp46.87MBffd908b277b933edd4280d2f10c38af5.mp47.02MB空气之谜73.32MB
0dd4eaeead18175184294cd51f255eb6.mp49.09MB0ea61f2495e4d63d4961618aab919c4b.mp42.1MB4e7f7b5e2e28700b1bc9cf256ef89d21.mp45.11MB7b997b5d7bb545ea836c4560a3429659.mp42.89MB053f09fbc5d0b20236ab98c32a924fbf.mp46.04MB151b9d0c273bec330143ff870774028c.mp43.99MB778af4a06e90f5c4e4ad31785dfd62e5.mp42.11MB810ff0ee911d3f604871ca366173735a.mp44.37MB2410ab3adb7fbf205e145135f78eaf77.mp44.01MB29083fe766f71980ef8e924e70862054.mp44.63MB3343cd7be7e50d9f95ff07c79fa32d4f.mp42.28MBb1389d409c3ff68ff1438ae8aa3e1d96.mp43.43MBcfcb5ca53b9c2c22af47e0e4196734c4.mp41.95MBd2c5b119a76d3d7d70875d59453d20c6.mp43.42MBd9299c92daf783cbc7201b85d03e8e19.mp45.49MBde81da3cb46a34de8164897d27da2a76.mp44.05MBe014cf0aef62abd7fca8d1886242f01f.mp43.94MBfca71fb609394b783c841bbd11bfdc43.mp44.43MB燃烧的学问7.31MB
10365ffc00d21e47d8b9ddc387df85bc.mp47.31MB燃烧的学问71.04MB
2bf012808b328d9e10ffce509dcca07a.mp46.8MB2eaa694ff75c035d156b0d0846c095e9.mp46.38MB3c50adf6b3c2af37d24ddd9ba7016dc3.mp48.78MB4ab88596e27eea731411484d4a6504b7.mp45.8MB6eb4efea92d4740693a97fc5131ad176.mp47.49MB67bc7edf97876069d408ee87946e0f92.mp46.1MB77f28297fbbe2075723b2bf7d4fe26a2.mp49.06MB403edb122684649daaeead6ff52f01f8.mp45.71MB300914289e45fb568a13ad55cfd4c666.mp45.5MBc6258b564f98c541547be86e5031e192.mp49.41MB溶液117.45MB
3ff287cb81bea4678126f1915dae9bc5.mp413.1MB4fa5ec351a589239d49a2b4ddd92c2d9.mp43.99MB6d627f431ce0486e0cc63adcceb16a77.mp48.44MB8c8056e8ae8b3f995f435760461e9c99.mp45.15MB018f26bc03419b1b21e4559100eed635.mp47.91MB31f34d7cb2c71073e02c4592a5d732a4.mp410.11MB50aa3a89adfbf5828a621c4059f77578.mp45.63MB94c39a78bfa1765ae941d64632a59bc0.mp45.53MB317ca8b6bd0ebdd8f9d22f849c8f4fea.mp46.63MB0548c0c731d4d68c5d8f07d025fbcdba.mp47.54MB1684e57b304c4f9f553d38c505687b53.mp46.82MBb0a85d99449c12962aecd8efd63f511a.mp49.8MBc88d4a5d870b9e16f76ae540bf5ef1d0.mp46.57MBc439d18f28576fb4136677f0a53cfd53.mp47.01MBec47b7045e971d86cdef14aa79ffd580.mp45.75MBf0ceaeb062997021874d943f9d3b2e4c.mp47.46MB酸与碱77.1MB
1ed2e8d48e41ed74040e4756616b974f.mp46.11MB7b84f603cdb98ae78d454f60e638c984.mp43.96MB29e06f09e8115bcf34a91602804b55c0.mp42.93MB44e51770efb494873cb67083cf4533a9.mp44.67MB92e648d171bcf5cd419b66c0f14a0819.mp45.09MB0719d468e49d1d10891caaa1e2c69acb.mp47.42MB97413dd5e6312e1db1033edda4f1412b.mp44.28MBaa76af0733955238006551e6ffdb4480.mp45.31MBaf19f09662be3ecad0a1080474ff2b91.mp44.11MBb23c9c8cf8166c0859493f572774bdf5.mp46.77MBbb2e94cfdde64a056447289369de54f8.mp44.03MBbb8553c5d5e92f22de498269cfa4fc06.mp42.95MBe44a55e3a3d00c0bd2f2326b480976e3.mp49.43MBf4f1a062ccc158fd143bfaa76f6b75e0.mp410.05MB碳的世界65.61MB
1cc692d647396dbfc1354f91a84be65a.mp48.26MB3b1f007cd8c60ecb1e7dd37c449309e9.mp44.83MB8e948d1a712f7c14690137fa45d178fa.mp47.02MB9be71ce00054b6335471ea32d746074f.mp43.11MB56ba0d5ac1d5744f21dd8c09943dbebe.mp45.41MB260df8a05963491393de71e40227ba6d.mp44.72MB89865a452c706ae55e696986d1cbf5e4.mp47.67MBbd75d7322fac4c3e913d62ccdaf9483a.mp45.16MBf3fa09791d8b2b34261475fcd3ba0d8d.mp45.1MBf752854a58bccc088379b051a2ea8fd2.mp47.47MBff02cd59118ee609591043bf870cda49.mp46.86MB盐49.34MB
2deee2e15c573ce92e4866bd092da1b7.mp44.83MB86bdc2a5f4c30cc2a66de084fb968591.mp45.83MB275a8432465a491d221784336861bf90.mp46.02MB773bfdd3f79c24ca683fb47a424eb8fa.mp48MB804cba42dee55c6112086e3c4af8ceab.mp47.54MB36781d841f00b334ee9e2837c449ba8a.mp45.79MB75563cc7ac61e1ddf2b6954edb3229db.mp43.71MBe24ce2d6a41f7b1a0ac1519568e84b77.mp43.93MBf74e23a702fd4719fc4ab5b697ee67f0.mp43.68MB最常见的液体 水17.16MB
9d0bcbb7e6c105cc9dfca8fe37c4d1db.mp43.14MB38aadb7a0e2e05ad0728669de62ca804.mp44.67MB225796885ca9a2c9a8a55c035a8a32a7.mp43.55MBde73c209130903295b03719b6b674397.mp43.37MBe349562a4c176a5305aa594582ca7caa.mp42.43MB走进化学83.72MB
0ea1db8c6a55afb3b9f46ab7d2f0e176.mp45.14MB62e3720ab54227ba8315e521c46bab94.mp46.86MB70f43bdebd18d94a46f6407ce286a106.mp48.03MB87fcb1b240d40d7774195c361ad8208f.mp44.33MB183a88a32b47546aa71c5e178a51bb7b.mp45.84MB636ab9a82e36cc3593b8699f72870e08.mp46.29MB741df97acffce958d7dbaa820759abe2.mp46.79MB159187349840a981d4ce8409c23e0f25.mp412.19MB90599036486edb5d9ddb27b649da2ba6.mp44.46MBb0325ca3d88ea566e5ad329d67479cf2.mp412.17MBc775ce41e2d7bff3a13e38d3d75873e1.mp42.72MBecf368f6378e32db5e3c92ab570cc1d8.mp48.91MB沪教版920.16MB
化学与社会发展28.9MB
2eaa694ff75c035d156b0d0846c095e9.mp46.38MB4ab88596e27eea731411484d4a6504b7.mp45.8MB5afdd4df073ce4560595867d88f9e166.mp47.35MB58e9f03d27cecc13193d0142cc3fbbc5.mp43.86MB300914289e45fb568a13ad55cfd4c666.mp45.5MB金属的冶炼与利用142.83MB
1b6e85d491520478df820ab8fd7d2667.mp46.97MB2b6d0cfbd713e364856c78adf6a20551.mp46.37MB02cfe68c7b42affcf2769ce5f8f22a44.mp49.85MB2feef4bc96c5961bb0b8681d0ee7c2e3.mp45.68MB04c51eb940b788a2855bfaf3848ebb80.mp45.5MB08a113b12fd69b17366e2d9c83e82cae.mp46.14MB8c8c1696825f148ec5ee5e610d06b078.mp47.19MB09bd7f1002ebf564d5831e71eb02b6ba.mp411.37MB11b5995fe2e4f2a2aa3ee7374aaf782f.mp45.95MB745b118e99df7b383091ee931a78f1da.mp43.37MB1726fb23274d52f55c9e8a635800722c.mp45.56MB3630c5e5288cc97f6a136276c3284201.mp44.93MB465672495819a856d8ccb9f8aee12c4e.mp46.29MB9914aae0ddfa6f8a0d9596b9a406f81c.mp49.91MBa1955062aba285935384c6d49d31a5f7.mp46.59MBb37d6ff53dd47fe3c5d4f54bdc3c96f2.mp47.27MBb303d175402cb42adc001fd432a21f36.mp48.35MBc48d553c4bde784ce97b85222c832495.mp47.6MBc93b1c2a1705240bf98cdf295834d470.mp46.87MBf7900685194395f1542e13276bb6633d.mp44.06MBffd908b277b933edd4280d2f10c38af5.mp47.02MB开启化学之门116.51MB
0dd4eaeead18175184294cd51f255eb6.mp49.09MB0ea1db8c6a55afb3b9f46ab7d2f0e176.mp45.14MB9f76c1dbcd50b12278ac85eb122cf74a.mp43.91MB62e3720ab54227ba8315e521c46bab94.mp46.86MB70f43bdebd18d94a46f6407ce286a106.mp48.03MB183a88a32b47546aa71c5e178a51bb7b.mp45.84MB636ab9a82e36cc3593b8699f72870e08.mp46.29MB741df97acffce958d7dbaa820759abe2.mp46.79MB810ff0ee911d3f604871ca366173735a.mp44.37MB159187349840a981d4ce8409c23e0f25.mp412.19MB90599036486edb5d9ddb27b649da2ba6.mp44.46MBb0325ca3d88ea566e5ad329d67479cf2.mp412.17MBc775ce41e2d7bff3a13e38d3d75873e1.mp42.72MBde81da3cb46a34de8164897d27da2a76.mp44.05MBecf368f6378e32db5e3c92ab570cc1d8.mp48.91MBf752854a58bccc088379b051a2ea8fd2.mp47.47MBfcfe18a80499b87e2c879dc1d668c84f.mp48.24MB溶解现象133.05MB
3ff287cb81bea4678126f1915dae9bc5.mp413.1MB4fa5ec351a589239d49a2b4ddd92c2d9.mp43.99MB6d627f431ce0486e0cc63adcceb16a77.mp48.44MB8c8056e8ae8b3f995f435760461e9c99.mp45.15MB018f26bc03419b1b21e4559100eed635.mp47.91MB31f34d7cb2c71073e02c4592a5d732a4.mp410.11MB50aa3a89adfbf5828a621c4059f77578.mp45.63MB94c39a78bfa1765ae941d64632a59bc0.mp45.53MB303ae74f6bfcafcda149a6d9713d2572.mp48.06MB317ca8b6bd0ebdd8f9d22f849c8f4fea.mp46.63MB0548c0c731d4d68c5d8f07d025fbcdba.mp47.54MB804cba42dee55c6112086e3c4af8ceab.mp47.54MB1684e57b304c4f9f553d38c505687b53.mp46.82MBb0a85d99449c12962aecd8efd63f511a.mp49.8MBc88d4a5d870b9e16f76ae540bf5ef1d0.mp46.57MBc439d18f28576fb4136677f0a53cfd53.mp47.01MBec47b7045e971d86cdef14aa79ffd580.mp45.75MBf0ceaeb062997021874d943f9d3b2e4c.mp47.46MB认识化学变化119.47MB
0bc747325a1b406efc01222350593a4d.mp47.06MB3c50adf6b3c2af37d24ddd9ba7016dc3.mp48.78MB6eb4efea92d4740693a97fc5131ad176.mp47.49MB77f28297fbbe2075723b2bf7d4fe26a2.mp49.06MB98aee8427b5594ea5aa26273264b6ba5.mp45.99MB403edb122684649daaeead6ff52f01f8.mp45.71MB523a561a29f452bbb1ebce0929108ba1.mp47.8MB10365ffc00d21e47d8b9ddc387df85bc.mp47.31MB31654eba9f378cdd5b4b8494594b5f44.mp412.09MB39669831057789068f924370998e6a72.mp411.2MB89865a452c706ae55e696986d1cbf5e4.mp47.67MBa99bf4c93f8897bc86a54db3c6c2c337.mp44.73MBb623481050425f4fddd1ecf8f0cc1c6b.mp47.49MBc6258b564f98c541547be86e5031e192.mp49.41MBfc8c897cbcd673df5f21e533f0eed37b.mp47.69MB身边的化学物质106.87MB
0ea61f2495e4d63d4961618aab919c4b.mp42.1MB1cc692d647396dbfc1354f91a84be65a.mp48.26MB4e7f7b5e2e28700b1bc9cf256ef89d21.mp45.11MB7b997b5d7bb545ea836c4560a3429659.mp42.89MB8e948d1a712f7c14690137fa45d178fa.mp47.02MB38aadb7a0e2e05ad0728669de62ca804.mp44.67MB053f09fbc5d0b20236ab98c32a924fbf.mp46.04MB56ba0d5ac1d5744f21dd8c09943dbebe.mp45.41MB87fcb1b240d40d7774195c361ad8208f.mp44.33MB151b9d0c273bec330143ff870774028c.mp43.99MB778af4a06e90f5c4e4ad31785dfd62e5.mp42.11MB225796885ca9a2c9a8a55c035a8a32a7.mp43.55MB2410ab3adb7fbf205e145135f78eaf77.mp44.01MB29083fe766f71980ef8e924e70862054.mp44.63MB3343cd7be7e50d9f95ff07c79fa32d4f.mp42.28MBb1389d409c3ff68ff1438ae8aa3e1d96.mp43.43MBbd75d7322fac4c3e913d62ccdaf9483a.mp45.16MBcfcb5ca53b9c2c22af47e0e4196734c4.mp41.95MBd2c5b119a76d3d7d70875d59453d20c6.mp43.42MBd9299c92daf783cbc7201b85d03e8e19.mp45.49MBde73c209130903295b03719b6b674397.mp43.37MBe014cf0aef62abd7fca8d1886242f01f.mp43.94MBe349562a4c176a5305aa594582ca7caa.mp42.43MBfca71fb609394b783c841bbd11bfdc43.mp44.43MBff02cd59118ee609591043bf870cda49.mp46.86MB食品中的有机化合物20.52MB
8c982e3f0ab1c383bfec7581c1746a72.mp45.85MB1489fdce974b562a0126ceefa5d3b7f5.mp44.14MBbd22a9388939eaa840fb515e5464f44b.mp45.44MBf3fa09791d8b2b34261475fcd3ba0d8d.mp45.1MB物质组织的奥妙120.45MB
0a4e1b311e9a01f17010f31b89f1ae00.mp44.09MB1d52be0d7019898fab3ea5300f20ee6c.mp42.94MB03efd7abbaade3d3bac0885fcb161843.mp45.88MB6fb85e71dee299af6eb7044ce38e9766.mp43.38MB7cccf6c512b679e5af9dba85b99faa58.mp46.13MB7f6c1bbdf2f720099c40afa385bf7f2c.mp48.63MB31baac43731e3604e2c310848a2a524f.mp44.8MB34ba1f3f55ab216017ae5a9bed41d818.mp44.66MB67b00f3f6b58d7b9ccd9aa950fe14fef.mp45.31MB89fd4cf69bc126642cf084f7bd816029.mp45.24MB370e62329c3846079ce8b18c6355b1c7.mp44.86MB607d9f0140cfed1ed69a5859168f37c1.mp44.24MB612b69904579bc36797919b00db6b896.mp44.66MB632aa4465eef151576361977254280d8.mp45.76MB28092e75534843478819ea32f07b6759.mp45.03MBa1c80e3dd8e09fe09db4afc155672a7b.mp44.39MBa3e7b1d88427943d2422668f042d4402.mp43.44MBab21a8c03f7d1745a0c5b79501de49cb.mp42.92MBad241cd4e505d70e10736e9a1e4122c8.mp43.6MBb8a07d2bb0ef8ccbe456497682bb62b7.mp44.4MBbf1008954450fb449f13d6427d113a2e.mp43.27MBc11d3727d37251adfc254b21d2eecccc.mp43.23MBcc41b66a9b52739a40c8ffd2da4ed870.mp44.53MBd08f9f6de973482678625150394cc367.mp46.07MBf6ed878cb5cfdd853fdf4a69b1bba4c4.mp44.86MBfa8c241c8bdefb31ef0b8050c76baccc.mp44.11MB应用广泛的酸碱盐131.56MB
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七年级0B
空气0B
水0B
八年级0B
物质的构成0B
九年级0B
化学反应10B
化学反应20B
化学反应30B
物质的转化和元素的循环0B
鲁教版875.82MB
步入化学殿堂60.49MB
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5afdd4df073ce4560595867d88f9e166.mp47.35MB275a8432465a491d221784336861bf90.mp46.02MB金属144.34MB
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初识别酸碱盐141.77MB
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0bc747325a1b406efc01222350593a4d.mp47.06MB98aee8427b5594ea5aa26273264b6ba5.mp45.99MB523a561a29f452bbb1ebce0929108ba1.mp47.8MB31654eba9f378cdd5b4b8494594b5f44.mp412.09MB39669831057789068f924370998e6a72.mp411.2MBa99bf4c93f8897bc86a54db3c6c2c337.mp44.73MBb623481050425f4fddd1ecf8f0cc1c6b.mp47.49MBfc8c897cbcd673df5f21e533f0eed37b.mp47.69MBfcfe18a80499b87e2c879dc1d668c84f.mp48.24MB化学与生活27.87MB
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1b6e85d491520478df820ab8fd7d2667.mp46.97MB2b6d0cfbd713e364856c78adf6a20551.mp46.37MB02cfe68c7b42affcf2769ce5f8f22a44.mp49.85MB2feef4bc96c5961bb0b8681d0ee7c2e3.mp45.68MB04c51eb940b788a2855bfaf3848ebb80.mp45.5MB08a113b12fd69b17366e2d9c83e82cae.mp46.14MB8c8c1696825f148ec5ee5e610d06b078.mp47.19MB09bd7f1002ebf564d5831e71eb02b6ba.mp411.37MB11b5995fe2e4f2a2aa3ee7374aaf782f.mp45.95MB42db305f57979f02f615faa47c9325a7.mp45.57MB745b118e99df7b383091ee931a78f1da.mp43.37MB1726fb23274d52f55c9e8a635800722c.mp45.56MB3630c5e5288cc97f6a136276c3284201.mp44.93MB465672495819a856d8ccb9f8aee12c4e.mp46.29MB9914aae0ddfa6f8a0d9596b9a406f81c.mp49.91MBb37d6ff53dd47fe3c5d4f54bdc3c96f2.mp47.27MBb303d175402cb42adc001fd432a21f36.mp48.35MBc48d553c4bde784ce97b85222c832495.mp47.6MBc93b1c2a1705240bf98cdf295834d470.mp46.87MBffd908b277b933edd4280d2f10c38af5.mp47.02MB空气和水104.12MB
0dd4eaeead18175184294cd51f255eb6.mp49.09MB0ea61f2495e4d63d4961618aab919c4b.mp42.1MB4e7f7b5e2e28700b1bc9cf256ef89d21.mp45.11MB7b997b5d7bb545ea836c4560a3429659.mp42.89MB9d0bcbb7e6c105cc9dfca8fe37c4d1db.mp43.14MB38aadb7a0e2e05ad0728669de62ca804.mp44.67MB053f09fbc5d0b20236ab98c32a924fbf.mp46.04MB58e9f03d27cecc13193d0142cc3fbbc5.mp43.86MB62e3720ab54227ba8315e521c46bab94.mp46.86MB87fcb1b240d40d7774195c361ad8208f.mp44.33MB151b9d0c273bec330143ff870774028c.mp43.99MB778af4a06e90f5c4e4ad31785dfd62e5.mp42.11MB810ff0ee911d3f604871ca366173735a.mp44.37MB225796885ca9a2c9a8a55c035a8a32a7.mp43.55MB2410ab3adb7fbf205e145135f78eaf77.mp44.01MB29083fe766f71980ef8e924e70862054.mp44.63MB3343cd7be7e50d9f95ff07c79fa32d4f.mp42.28MBb1389d409c3ff68ff1438ae8aa3e1d96.mp43.43MBba848cb0c365a06e2546145ef902bea8.mp42.63MBcfcb5ca53b9c2c22af47e0e4196734c4.mp41.95MBd2c5b119a76d3d7d70875d59453d20c6.mp43.42MBd9299c92daf783cbc7201b85d03e8e19.mp45.49MBde73c209130903295b03719b6b674397.mp43.37MBe014cf0aef62abd7fca8d1886242f01f.mp43.94MBe349562a4c176a5305aa594582ca7caa.mp42.43MBfca71fb609394b783c841bbd11bfdc43.mp44.43MB燃料和燃烧154.84MB
1cc692d647396dbfc1354f91a84be65a.mp48.26MB2bf012808b328d9e10ffce509dcca07a.mp46.8MB2eaa694ff75c035d156b0d0846c095e9.mp46.38MB3b1f007cd8c60ecb1e7dd37c449309e9.mp44.83MB3c50adf6b3c2af37d24ddd9ba7016dc3.mp48.78MB4ab88596e27eea731411484d4a6504b7.mp45.8MB6eb4efea92d4740693a97fc5131ad176.mp47.49MB8e948d1a712f7c14690137fa45d178fa.mp47.02MB9be71ce00054b6335471ea32d746074f.mp43.11MB56ba0d5ac1d5744f21dd8c09943dbebe.mp45.41MB67bc7edf97876069d408ee87946e0f92.mp46.1MB77f28297fbbe2075723b2bf7d4fe26a2.mp49.06MB260df8a05963491393de71e40227ba6d.mp44.72MB10365ffc00d21e47d8b9ddc387df85bc.mp47.31MB300914289e45fb568a13ad55cfd4c666.mp45.5MB4983cd34703ecad027349e1bcc759f60.mp43.43MB89865a452c706ae55e696986d1cbf5e4.mp47.67MBbd75d7322fac4c3e913d62ccdaf9483a.mp45.16MBc6258b564f98c541547be86e5031e192.mp49.41MBe24ce2d6a41f7b1a0ac1519568e84b77.mp43.93MBf8c9c5cf3e0d641e76510b5d895b3772.mp46.6MBf752854a58bccc088379b051a2ea8fd2.mp47.47MBf7900685194395f1542e13276bb6633d.mp44.06MBfbed147e21572efb20e61e55f1b86fbc.mp43.67MBff02cd59118ee609591043bf870cda49.mp46.86MB物质的构成131.03MB
0a4e1b311e9a01f17010f31b89f1ae00.mp44.09MB1d52be0d7019898fab3ea5300f20ee6c.mp42.94MB03efd7abbaade3d3bac0885fcb161843.mp45.88MB6fb85e71dee299af6eb7044ce38e9766.mp43.38MB7cccf6c512b679e5af9dba85b99faa58.mp46.13MB7f6c1bbdf2f720099c40afa385bf7f2c.mp48.63MB9f76c1dbcd50b12278ac85eb122cf74a.mp43.91MB31baac43731e3604e2c310848a2a524f.mp44.8MB34ba1f3f55ab216017ae5a9bed41d818.mp44.66MB67b00f3f6b58d7b9ccd9aa950fe14fef.mp45.31MB89fd4cf69bc126642cf084f7bd816029.mp45.24MB91ccdaefb1fc8ad95fb544c7a2bcfdbd.mp46.67MB370e62329c3846079ce8b18c6355b1c7.mp44.86MB607d9f0140cfed1ed69a5859168f37c1.mp44.24MB612b69904579bc36797919b00db6b896.mp44.66MB632aa4465eef151576361977254280d8.mp45.76MB28092e75534843478819ea32f07b6759.mp45.03MBa1c80e3dd8e09fe09db4afc155672a7b.mp44.39MBa3e7b1d88427943d2422668f042d4402.mp43.44MBab21a8c03f7d1745a0c5b79501de49cb.mp42.92MBad241cd4e505d70e10736e9a1e4122c8.mp43.6MBb8a07d2bb0ef8ccbe456497682bb62b7.mp44.4MBbf1008954450fb449f13d6427d113a2e.mp43.27MBc11d3727d37251adfc254b21d2eecccc.mp43.23MBcc41b66a9b52739a40c8ffd2da4ed870.mp44.53MBd08f9f6de973482678625150394cc367.mp46.07MBf6ed878cb5cfdd853fdf4a69b1bba4c4.mp44.86MBfa8c241c8bdefb31ef0b8050c76baccc.mp44.11MB物质的溶解117.45MB
3ff287cb81bea4678126f1915dae9bc5.mp413.1MB4fa5ec351a589239d49a2b4ddd92c2d9.mp43.99MB6d627f431ce0486e0cc63adcceb16a77.mp48.44MB8c8056e8ae8b3f995f435760461e9c99.mp45.15MB018f26bc03419b1b21e4559100eed635.mp47.91MB31f34d7cb2c71073e02c4592a5d732a4.mp410.11MB50aa3a89adfbf5828a621c4059f77578.mp45.63MB94c39a78bfa1765ae941d64632a59bc0.mp45.53MB317ca8b6bd0ebdd8f9d22f849c8f4fea.mp46.63MB0548c0c731d4d68c5d8f07d025fbcdba.mp47.54MB1684e57b304c4f9f553d38c505687b53.mp46.82MBb0a85d99449c12962aecd8efd63f511a.mp49.8MBc88d4a5d870b9e16f76ae540bf5ef1d0.mp46.57MBc439d18f28576fb4136677f0a53cfd53.mp47.01MBec47b7045e971d86cdef14aa79ffd580.mp45.75MBf0ceaeb062997021874d943f9d3b2e4c.mp47.46MB走进化学殿堂62.6MB
0ea1db8c6a55afb3b9f46ab7d2f0e176.mp45.14MB70f43bdebd18d94a46f6407ce286a106.mp48.03MB183a88a32b47546aa71c5e178a51bb7b.mp45.84MB636ab9a82e36cc3593b8699f72870e08.mp46.29MB159187349840a981d4ce8409c23e0f25.mp412.19MBb0325ca3d88ea566e5ad329d67479cf2.mp412.17MBde81da3cb46a34de8164897d27da2a76.mp44.05MBecf368f6378e32db5e3c92ab570cc1d8.mp48.91MB人教版√1.15GB
01. 化学使世界变得更加绚丽多彩19.03MB
1. 什么是化学.mp48.94MB2. 化学发展史.mp410.09MB02. 走进化学世界96.04MB
1. 化学变化和物理变化.mp47.23MB2. 化学性质和物理性质.mp410.64MB3. 对蜡烛及其燃烧的探究.mp45.28MB4. 对人体吸入的空气和呼出的气体的探究.mp48.57MB5. 简单仪器.mp47.41MB6. 药品的取用.mp418.98MB7. 天平的使用.mp46.5MB8. 量筒的使用.mp46.13MB9. 酒精灯的使用.mp414.09MB10. 连接仪器装置.mp47.99MB11. 玻璃仪器洗干净的标准.mp43.22MB03. 我们周围的空气30.66MB
1. 空气中氧气含量的测定实验.mp411.16MB2. 空气成分.mp44.86MB3. 纯净物混合物的分类.mp45.26MB4. 空气中氮气和稀有气体的用途.mp44.73MB5. 空气污染及防治.mp44.64MB04. 氧气59.24MB
1. 氧气的物理性质.mp43.12MB2. 木炭燃烧.mp43.88MB3. 硫燃烧.mp42.95MB4. 铁燃烧.mp46.7MB5. 氧气的化学性质和用途.mp43.27MB6. 氧化反应.mp42.16MB7. 化合反应与氧化反应.mp45.21MB8. 加热高锰酸钾制氧气.mp47.28MB9. 过氧化氢溶液制氧气.mp44.66MB10. 氧气的收集、验满与检验.mp44.01MB11. 气体制取装置的选择.mp44.77MB12. 催化剂.mp46.34MB13. 分解反应.mp42.37MB14. 氧气的工业制法.mp42.51MB05. 物质构成的奥秘97.55MB
1. 物质的构成及分子的特征.mp47.01MB2. 探究分子运动实验.mp47.6MB3. 分子.mp45.29MB4. 用分子的观点解释物质的组成.mp44.91MB5. 用分子的观点解释物质的变化.mp43.73MB6. 分子与原子的区别与联系.mp47.11MB8. 原子的构成.mp45.12MB9. 原子核外电子的排布.mp45.57MB10. 原子结构示意图.mp45.94MB11. 原子结构与原子化学性质的关系.mp46.5MB12. 离子的定义及分类.mp43.89MB13. 离子符号的写法与意义.mp45.95MB14. 相对原子质量.mp44MB15. 相对原子质量、质子数、中子数之间的关系.mp45.06MB16. 元素的定义.mp45.37MB17. 地壳中元素的含量.mp43.21MB18. 元素符号的写法及意义.mp45.66MB19. 元素周期表简介及元素周期表提供的信息.mp45.64MB06. 自然界的水67.09MB
1. 爱护水资源.mp45.44MB2. 自来水净化.mp43.16MB3. 过滤.mp45.19MB4. 硬水和软水.mp43.89MB5. 氢气的性质与检验.mp44.17MB6. 水的组成实验.mp43.56MB7. 纯净物的分类――单质、化合物、氧化物.mp44.75MB9. 化学式的意义.mp44.56MB10. 化学式的读写.mp44.19MB11. 化合价.mp45.05MB12. 化合价的应用.mp45.69MB13. 原子团.mp410.13MB14. 化学符号及周边数字的意义.mp43.89MB15. 有关相对分子质量的计算.mp43.42MB07. 化学方程式88.52MB
1. 化学反应前后物质的质量关系的实验探究.mp414.67MB2. 质量守恒定律.mp49.17MB3. 实验探究质量守恒定律时应注意的问题.mp47.18MB4. 质量守恒定律的微观解释.mp48.98MB5. 质量守恒定律的相关计算.mp49MB6. 化学方程式.mp49.8MB7. 化学方程式的书写原则与步骤.mp410.66MB8. 化学方程式的配平方法.mp413.21MB9. 化学方程式的简单计算.mp45.85MB08. 碳和碳的氧化物92.54MB
1. 碳的几种单质.mp48.95MB2. 常温下化学性质稳定.mp43.37MB3. 碳与氧气的反应——可燃性.mp48.9MB4. 碳与某些氧化物的反应——还原性.mp45.95MB5. 二氧化碳的实验室制法.mp48.18MB6. 二氧化碳的实验室制法原料的选择.mp46.54MB7. 二氧化碳的物理性质.mp47.96MB8. 二氧化碳的化学性质--与水的反应.mp46.19MB9. 二氧化碳的化学性质--与澄清石灰水的反应.mp45.59MB10. 二氧化碳的用途及危害.mp49.14MB11. 一氧化碳的物理性质和毒性.mp47.72MB12. 一氧化碳的化学性质--可燃性.mp44.26MB13. 一氧化碳的化学性质--还原性.mp45.19MB14. 碳及其化合物的相互转化关系.mp44.58MB09. 燃料及其利用91.11MB
1. 燃烧和燃烧的条件.mp49.78MB2. 探究燃烧的条件.mp48.84MB3. 灭火的原理和方法.mp410.08MB4. 灭火器.mp49.7MB5. 易燃物和易爆物的安全知识.mp410.66MB6. 化学反应中的能量变化.mp46.78MB7. 煤和石油.mp47.1MB8. 天然气.mp46.84MB9. 合理利用与开发化石能源.mp46.91MB10. 使用燃料对环境的影响.mp47.61MB11. 能源的利用与开发.mp46.81MB10. 金属和金属材料137.9MB
1. 几种重要的金属.mp413.55MB2. 合金.mp411.93MB3. 金属与氧气的反应.mp49.28MB4. 探究金属与盐酸、稀硫酸的反应.mp411.86MB5. 金属与盐酸、稀硫酸的反应.mp48.28MB6. 金属与酸反应-图象问题（一）.mp48.57MB7. 金属与酸反应-图象问题（二）.mp46.45MB8. 金属与酸反应-天平问题.mp48.17MB9. 金属与酸反应-混合物计算.mp45.86MB10. 置换反应.mp45.33MB11. 探究金属活动性顺序.mp47.7MB12. 金属活动性顺序及其应用.mp48.78MB13. 选择试剂验证金属的活动性顺序.mp48.21MB14. 金属质量变化的判断.mp46.52MB15. 滤液与滤渣.mp49.95MB16. 金属流程.mp47.45MB11. 金属资源的利用和保护39.25MB
1. 金属在自然界中的存在.mp46.89MB2. 工业炼铁.mp46.82MB3. 一氧化碳还原氧化铁实验.mp48.17MB4. 铁生锈条件的探究.mp48.46MB5. 金属资源保护.mp48.91MB12. 溶液154.45MB
1. 溶液的形成、概念及特征.mp411.85MB2. 溶液的组成、命名及用途.mp48.59MB3. 溶解时的吸热或放热现象.mp49.17MB4. 乳化现象.mp411.52MB5. 饱和溶液和不饱和溶液.mp410.77MB6. 饱和溶液、不饱和溶液与浓溶液、稀溶液之间的关系.mp48.18MB7. 结晶.mp46.02MB8. 固体溶解度.mp415.72MB9. 固体溶解度的表示方法.mp49.7MB10. 固体溶解度曲线的应用.mp49.29MB11. 气体溶解度.mp47.35MB13. 溶质的质量分数.mp46.5MB14. 溶质质量分数和溶解度的区别和联系.mp410.15MB15. 溶液计算―直接计算.mp48.32MB16. 溶液计算―稀释、浓缩问题.mp45.07MB17. 溶液计算―与化学方程式的相关计算.mp47.85MB18. 溶液的配制.mp48.41MB13. 酸和碱102.58MB
1. 酸、碱与指示剂作用.mp47.25MB2. 几种常见的酸.mp45.19MB3. 浓硫酸的腐蚀性.mp410.13MB4. 浓硫酸的稀释.mp43.51MB5. 酸的化学性质.mp45.44MB6. 酸与金属氧化物的应用.mp44.71MB7. 几种常见的碱--氢氧化钠.mp46.46MB8. 几种常见的碱--氢氧化钙.mp44.83MB9. 碱的化学性质.mp43.54MB10. 酸、碱分别具有相似化学性质的原因.mp44.55MB12. 中和反应.mp411.29MB13. 中和反应在实际中的应用.mp46.21MB14. 溶液酸碱度的表示法-pH.mp48.84MB15. 中和反应的验证.mp412.19MB16. 溶液pH变化问题.mp48.45MB14. 盐、化肥64.24MB
1. 氯化钠.mp49.3MB2. 粗盐提纯.mp48.62MB3. 碳酸钙.mp44.6MB4. 碳酸钠.mp47.13MB5. 碳酸氢钠.mp44.96MB6. 碳酸根离子的检验.mp45.24MB7. 复分解反应.mp47.24MB9. 常见化肥的种类和作用.mp46.88MB10. 化肥的简易鉴别.mp45.8MB11. 氮肥的简单鉴别.mp44.48MB15. 化学与生活37.75MB
1. 蛋白质.mp44.62MB2. 糖类.mp46.82MB3. 油脂和维生素.mp46.28MB4. 化学元素与人体健康.mp45.59MB5. 有机化合物.mp45.88MB6. 有机合成材料.mp48.56MB上海版782.89MB
初识酸和碱57.98MB
7b84f603cdb98ae78d454f60e638c984.mp43.96MB9e6e7483a2506f2ec73d957c9dc103d3.mp48.57MB29e06f09e8115bcf34a91602804b55c0.mp42.93MB44e51770efb494873cb67083cf4533a9.mp44.67MB92e648d171bcf5cd419b66c0f14a0819.mp45.09MB97413dd5e6312e1db1033edda4f1412b.mp44.28MBaa76af0733955238006551e6ffdb4480.mp45.31MBb23c9c8cf8166c0859493f572774bdf5.mp46.77MBbb2e94cfdde64a056447289369de54f8.mp44.03MBbb8553c5d5e92f22de498269cfa4fc06.mp42.95MBe44a55e3a3d00c0bd2f2326b480976e3.mp49.43MB常用的金属和盐133.29MB
1b6e85d491520478df820ab8fd7d2667.mp46.97MB02cfe68c7b42affcf2769ce5f8f22a44.mp49.85MB2deee2e15c573ce92e4866bd092da1b7.mp44.83MB04c51eb940b788a2855bfaf3848ebb80.mp45.5MB8c8c1696825f148ec5ee5e610d06b078.mp47.19MB09bd7f1002ebf564d5831e71eb02b6ba.mp411.37MB11b5995fe2e4f2a2aa3ee7374aaf782f.mp45.95MB42db305f57979f02f615faa47c9325a7.mp45.57MB86bdc2a5f4c30cc2a66de084fb968591.mp45.83MB275a8432465a491d221784336861bf90.mp46.02MB745b118e99df7b383091ee931a78f1da.mp43.37MB773bfdd3f79c24ca683fb47a424eb8fa.mp48MB3630c5e5288cc97f6a136276c3284201.mp44.93MB36781d841f00b334ee9e2837c449ba8a.mp45.79MB465672495819a856d8ccb9f8aee12c4e.mp46.29MB75563cc7ac61e1ddf2b6954edb3229db.mp43.71MB9914aae0ddfa6f8a0d9596b9a406f81c.mp49.91MBa1955062aba285935384c6d49d31a5f7.mp46.59MBb37d6ff53dd47fe3c5d4f54bdc3c96f2.mp47.27MBb303d175402cb42adc001fd432a21f36.mp48.35MB浩瀚的大气197.85MB
0dd4eaeead18175184294cd51f255eb6.mp49.09MB03efd7abbaade3d3bac0885fcb161843.mp45.88MB4e7f7b5e2e28700b1bc9cf256ef89d21.mp45.11MB7b997b5d7bb545ea836c4560a3429659.mp42.89MB7cccf6c512b679e5af9dba85b99faa58.mp46.13MB58e9f03d27cecc13193d0142cc3fbbc5.mp43.86MB89fd4cf69bc126642cf084f7bd816029.mp45.24MB91ccdaefb1fc8ad95fb544c7a2bcfdbd.mp46.67MB151b9d0c273bec330143ff870774028c.mp43.99MB632aa4465eef151576361977254280d8.mp45.76MB778af4a06e90f5c4e4ad31785dfd62e5.mp42.11MB29083fe766f71980ef8e924e70862054.mp44.63MB3343cd7be7e50d9f95ff07c79fa32d4f.mp42.28MBa1c80e3dd8e09fe09db4afc155672a7b.mp44.39MBa3e7b1d88427943d2422668f042d4402.mp43.44MBba848cb0c365a06e2546145ef902bea8.mp42.63MBcc41b66a9b52739a40c8ffd2da4ed870.mp44.53MBcfcb5ca53b9c2c22af47e0e4196734c4.mp41.95MBd2c5b119a76d3d7d70875d59453d20c6.mp43.42MBd9299c92daf783cbc7201b85d03e8e19.mp45.49MBe014cf0aef62abd7fca8d1886242f01f.mp43.94MBfca71fb609394b783c841bbd11bfdc43.mp44.43MB浩瀚的大气267.28MB
7f6c1bbdf2f720099c40afa385bf7f2c.mp48.63MB9f76c1dbcd50b12278ac85eb122cf74a.mp43.91MB98aee8427b5594ea5aa26273264b6ba5.mp45.99MB523a561a29f452bbb1ebce0929108ba1.mp47.8MB612b69904579bc36797919b00db6b896.mp44.66MB31654eba9f378cdd5b4b8494594b5f44.mp412.09MBab21a8c03f7d1745a0c5b79501de49cb.mp42.92MBad241cd4e505d70e10736e9a1e4122c8.mp43.6MBb623481050425f4fddd1ecf8f0cc1c6b.mp47.49MBd08f9f6de973482678625150394cc367.mp46.07MBfa8c241c8bdefb31ef0b8050c76baccc.mp44.11MB化学的魅力142.15MB
0a4e1b311e9a01f17010f31b89f1ae00.mp44.09MB0bc747325a1b406efc01222350593a4d.mp47.06MB0ea1db8c6a55afb3b9f46ab7d2f0e176.mp45.14MB1d52be0d7019898fab3ea5300f20ee6c.mp42.94MB31baac43731e3604e2c310848a2a524f.mp44.8MB38aadb7a0e2e05ad0728669de62ca804.mp44.67MB053f09fbc5d0b20236ab98c32a924fbf.mp46.04MB62e3720ab54227ba8315e521c46bab94.mp46.86MB67b00f3f6b58d7b9ccd9aa950fe14fef.mp45.31MB70f43bdebd18d94a46f6407ce286a106.mp48.03MB87fcb1b240d40d7774195c361ad8208f.mp44.33MB183a88a32b47546aa71c5e178a51bb7b.mp45.84MB636ab9a82e36cc3593b8699f72870e08.mp46.29MB741df97acffce958d7dbaa820759abe2.mp46.79MB804cba42dee55c6112086e3c4af8ceab.mp47.54MB810ff0ee911d3f604871ca366173735a.mp44.37MB159187349840a981d4ce8409c23e0f25.mp412.19MB90599036486edb5d9ddb27b649da2ba6.mp44.46MBb0325ca3d88ea566e5ad329d67479cf2.mp412.17MBc775ce41e2d7bff3a13e38d3d75873e1.mp42.72MBde73c209130903295b03719b6b674397.mp43.37MBecf368f6378e32db5e3c92ab570cc1d8.mp48.91MBfcfe18a80499b87e2c879dc1d668c84f.mp48.24MB化学与生活27.87MB
5afdd4df073ce4560595867d88f9e166.mp47.35MB8c982e3f0ab1c383bfec7581c1746a72.mp45.85MB1489fdce974b562a0126ceefa5d3b7f5.mp44.14MBbd22a9388939eaa840fb515e5464f44b.mp45.44MBf3fa09791d8b2b34261475fcd3ba0d8d.mp45.1MB燃烧及其应用135.23MB
1cc692d647396dbfc1354f91a84be65a.mp48.26MB2bf012808b328d9e10ffce509dcca07a.mp46.8MB2eaa694ff75c035d156b0d0846c095e9.mp46.38MB3b1f007cd8c60ecb1e7dd37c449309e9.mp44.83MB3c50adf6b3c2af37d24ddd9ba7016dc3.mp48.78MB4ab88596e27eea731411484d4a6504b7.mp45.8MB6eb4efea92d4740693a97fc5131ad176.mp47.49MB8e948d1a712f7c14690137fa45d178fa.mp47.02MB56ba0d5ac1d5744f21dd8c09943dbebe.mp45.41MB67bc7edf97876069d408ee87946e0f92.mp46.1MB77f28297fbbe2075723b2bf7d4fe26a2.mp49.06MB260df8a05963491393de71e40227ba6d.mp44.72MB10365ffc00d21e47d8b9ddc387df85bc.mp47.31MB300914289e45fb568a13ad55cfd4c666.mp45.5MB4983cd34703ecad027349e1bcc759f60.mp43.43MBc6258b564f98c541547be86e5031e192.mp49.41MBe24ce2d6a41f7b1a0ac1519568e84b77.mp43.93MBf8c9c5cf3e0d641e76510b5d895b3772.mp46.6MBf752854a58bccc088379b051a2ea8fd2.mp47.47MBf7900685194395f1542e13276bb6633d.mp44.06MBff02cd59118ee609591043bf870cda49.mp46.86MB走进溶液世界121.23MB
1ed2e8d48e41ed74040e4756616b974f.mp46.11MB3ff287cb81bea4678126f1915dae9bc5.mp413.1MB4fa5ec351a589239d49a2b4ddd92c2d9.mp43.99MB6d627f431ce0486e0cc63adcceb16a77.mp48.44MB8c8056e8ae8b3f995f435760461e9c99.mp45.15MB9d0bcbb7e6c105cc9dfca8fe37c4d1db.mp43.14MB018f26bc03419b1b21e4559100eed635.mp47.91MB94c39a78bfa1765ae941d64632a59bc0.mp45.53MB0548c0c731d4d68c5d8f07d025fbcdba.mp47.54MB0719d468e49d1d10891caaa1e2c69acb.mp47.42MB1684e57b304c4f9f553d38c505687b53.mp46.82MB225796885ca9a2c9a8a55c035a8a32a7.mp43.55MBaf19f09662be3ecad0a1080474ff2b91.mp44.11MBb0a85d99449c12962aecd8efd63f511a.mp49.8MBbd75d7322fac4c3e913d62ccdaf9483a.mp45.16MBc88d4a5d870b9e16f76ae540bf5ef1d0.mp46.57MBc439d18f28576fb4136677f0a53cfd53.mp47.01MBe349562a4c176a5305aa594582ca7caa.mp42.43MBf0ceaeb062997021874d943f9d3b2e4c.mp47.46MB通用版√1.19GB
01. 化学使世界变得更加绚丽多彩19.03MB
1. 什么是化学.mp48.94MB2. 化学发展史.mp410.09MB02. 走进化学世界96.04MB
1. 化学变化和物理变化.mp47.23MB2. 化学性质和物理性质.mp410.64MB3. 对蜡烛及其燃烧的探究.mp45.28MB4. 对人体吸入的空气和呼出的气体的探究.mp48.57MB5. 简单仪器.mp47.41MB6. 药品的取用.mp418.98MB7. 天平的使用.mp46.5MB8. 量筒的使用.mp46.13MB9. 酒精灯的使用.mp414.09MB10. 连接仪器装置.mp47.99MB11. 玻璃仪器洗干净的标准.mp43.22MB03. 我们周围的空气30.66MB
1. 空气中氧气含量的测定实验.mp411.16MB2. 空气成分.mp44.86MB3. 纯净物混合物的分类.mp45.26MB4. 空气中氮气和稀有气体的用途.mp44.73MB5. 空气污染及防治.mp44.64MB04. 氧气59.24MB
1. 氧气的物理性质.mp43.12MB2. 木炭燃烧.mp43.88MB3. 硫燃烧.mp42.95MB4. 铁燃烧.mp46.7MB5. 氧气的化学性质和用途.mp43.27MB6. 氧化反应.mp42.16MB7. 化合反应与氧化反应.mp45.21MB8. 加热高锰酸钾制氧气.mp47.28MB9. 过氧化氢溶液制氧气.mp44.66MB10. 氧气的收集、验满与检验.mp44.01MB11. 气体制取装置的选择.mp44.77MB12. 催化剂.mp46.34MB13. 分解反应.mp42.37MB14. 氧气的工业制法.mp42.51MB05. 物质构成的奥秘97.55MB
1. 物质的构成及分子的特征.mp47.01MB2. 探究分子运动实验.mp47.6MB3. 分子.mp45.29MB4. 用分子的观点解释物质的组成.mp44.91MB5. 用分子的观点解释物质的变化.mp43.73MB6. 分子与原子的区别与联系.mp47.11MB8. 原子的构成.mp45.12MB9. 原子核外电子的排布.mp45.57MB10. 原子结构示意图.mp45.94MB11. 原子结构与原子化学性质的关系.mp46.5MB12. 离子的定义及分类.mp43.89MB13. 离子符号的写法与意义.mp45.95MB14. 相对原子质量.mp44MB15. 相对原子质量、质子数、中子数之间的关系.mp45.06MB16. 元素的定义.mp45.37MB17. 地壳中元素的含量.mp43.21MB18. 元素符号的写法及意义.mp45.66MB19. 元素周期表简介及元素周期表提供的信息.mp45.64MB06. 自然界的水104.45MB
1. 爱护水资源.mp45.44MB2. 自来水净化(1).mp43.16MB2. 自来水净化.mp43.16MB3. 过滤(1).mp45.19MB3. 过滤(2).mp45.19MB3. 过滤.mp45.19MB4. 硬水和软水(1).mp43.89MB4. 硬水和软水(2).mp43.89MB4. 硬水和软水.mp43.89MB5. 氢气的性质与检验(1).mp44.17MB5. 氢气的性质与检验.mp44.17MB6. 水的组成实验(1).mp43.56MB6. 水的组成实验(2).mp43.56MB6. 水的组成实验.mp43.56MB7. 纯净物的分类――单质、化合物、氧化物(1).mp44.75MB7. 纯净物的分类――单质、化合物、氧化物.mp44.75MB9. 化学式的意义.mp44.56MB10. 化学式的读写.mp44.19MB11. 化合价.mp45.05MB12. 化合价的应用.mp45.69MB13. 原子团.mp410.13MB14. 化学符号及周边数字的意义.mp43.89MB15. 有关相对分子质量的计算.mp43.42MB07. 化学方程式88.52MB
1. 化学反应前后物质的质量关系的实验探究.mp414.67MB2. 质量守恒定律.mp49.17MB3. 实验探究质量守恒定律时应注意的问题.mp47.18MB4. 质量守恒定律的微观解释.mp48.98MB5. 质量守恒定律的相关计算.mp49MB6. 化学方程式.mp49.8MB7. 化学方程式的书写原则与步骤.mp410.66MB8. 化学方程式的配平方法.mp413.21MB9. 化学方程式的简单计算.mp45.85MB08. 碳和碳的氧化物92.54MB
1. 碳的几种单质.mp48.95MB2. 常温下化学性质稳定.mp43.37MB3. 碳与氧气的反应——可燃性.mp48.9MB4. 碳与某些氧化物的反应——还原性.mp45.95MB5. 二氧化碳的实验室制法.mp48.18MB6. 二氧化碳的实验室制法原料的选择.mp46.54MB7. 二氧化碳的物理性质.mp47.96MB8. 二氧化碳的化学性质--与水的反应.mp46.19MB9. 二氧化碳的化学性质--与澄清石灰水的反应.mp45.59MB10. 二氧化碳的用途及危害.mp49.14MB11. 一氧化碳的物理性质和毒性.mp47.72MB12. 一氧化碳的化学性质--可燃性.mp44.26MB13. 一氧化碳的化学性质--还原性.mp45.19MB14. 碳及其化合物的相互转化关系.mp44.58MB09. 燃料及其利用91.11MB
1. 燃烧和燃烧的条件.mp49.78MB2. 探究燃烧的条件.mp48.84MB3. 灭火的原理和方法.mp410.08MB4. 灭火器.mp49.7MB5. 易燃物和易爆物的安全知识.mp410.66MB6. 化学反应中的能量变化.mp46.78MB7. 煤和石油.mp47.1MB8. 天然气.mp46.84MB9. 合理利用与开发化石能源.mp46.91MB10. 使用燃料对环境的影响.mp47.61MB11. 能源的利用与开发.mp46.81MB10. 金属和金属材料137.9MB
1. 几种重要的金属.mp413.55MB2. 合金.mp411.93MB3. 金属与氧气的反应.mp49.28MB4. 探究金属与盐酸、稀硫酸的反应.mp411.86MB5. 金属与盐酸、稀硫酸的反应.mp48.28MB6. 金属与酸反应-图象问题（一）.mp48.57MB7. 金属与酸反应-图象问题（二）.mp46.45MB8. 金属与酸反应-天平问题.mp48.17MB9. 金属与酸反应-混合物计算.mp45.86MB10. 置换反应.mp45.33MB11. 探究金属活动性顺序.mp47.7MB12. 金属活动性顺序及其应用.mp48.78MB13. 选择试剂验证金属的活动性顺序.mp48.21MB14. 金属质量变化的判断.mp46.52MB15. 滤液与滤渣.mp49.95MB16. 金属流程.mp47.45MB11. 金属资源的利用和保护39.25MB
1. 金属在自然界中的存在.mp46.89MB2. 工业炼铁.mp46.82MB3. 一氧化碳还原氧化铁实验.mp48.17MB4. 铁生锈条件的探究.mp48.46MB5. 金属资源保护.mp48.91MB12. 溶液154.45MB
1. 溶液的形成、概念及特征.mp411.85MB2. 溶液的组成、命名及用途.mp48.59MB3. 溶解时的吸热或放热现象.mp49.17MB4. 乳化现象.mp411.52MB5. 饱和溶液和不饱和溶液.mp410.77MB6. 饱和溶液、不饱和溶液与浓溶液、稀溶液之间的关系.mp48.18MB7. 结晶.mp46.02MB8. 固体溶解度.mp415.72MB9. 固体溶解度的表示方法.mp49.7MB10. 固体溶解度曲线的应用.mp49.29MB11. 气体溶解度.mp47.35MB13. 溶质的质量分数.mp46.5MB14. 溶质质量分数和溶解度的区别和联系.mp410.15MB15. 溶液计算―直接计算.mp48.32MB16. 溶液计算―稀释、浓缩问题.mp45.07MB17. 溶液计算―与化学方程式的相关计算.mp47.85MB18. 溶液的配制.mp48.41MB13. 酸和碱102.58MB
1. 酸、碱与指示剂作用.mp47.25MB2. 几种常见的酸.mp45.19MB3. 浓硫酸的腐蚀性.mp410.13MB4. 浓硫酸的稀释.mp43.51MB5. 酸的化学性质.mp45.44MB6. 酸与金属氧化物的应用.mp44.71MB7. 几种常见的碱--氢氧化钠.mp46.46MB8. 几种常见的碱--氢氧化钙.mp44.83MB9. 碱的化学性质.mp43.54MB10. 酸、碱分别具有相似化学性质的原因.mp44.55MB12. 中和反应.mp411.29MB13. 中和反应在实际中的应用.mp46.21MB14. 溶液酸碱度的表示法-pH.mp48.84MB15. 中和反应的验证.mp412.19MB16. 溶液pH变化问题.mp48.45MB14. 盐、化肥64.24MB
1. 氯化钠.mp49.3MB2. 粗盐提纯.mp48.62MB3. 碳酸钙.mp44.6MB4. 碳酸钠.mp47.13MB5. 碳酸氢钠.mp44.96MB6. 碳酸根离子的检验.mp45.24MB7. 复分解反应.mp47.24MB9. 常见化肥的种类和作用.mp46.88MB10. 化肥的简易鉴别.mp45.8MB11. 氮肥的简单鉴别.mp44.48MB15. 化学与生活37.75MB
1. 蛋白质.mp44.62MB2. 糖类.mp46.82MB3. 油脂和维生素.mp46.28MB4. 化学元素与人体健康.mp45.59MB5. 有机化合物.mp45.88MB6. 有机合成材料.mp48.56MB粤教版881.84MB
常见的酸碱盐124.8MB
1ed2e8d48e41ed74040e4756616b974f.mp46.11MB2deee2e15c573ce92e4866bd092da1b7.mp44.83MB7b84f603cdb98ae78d454f60e638c984.mp43.96MB9e6e7483a2506f2ec73d957c9dc103d3.mp48.57MB29e06f09e8115bcf34a91602804b55c0.mp42.93MB44e51770efb494873cb67083cf4533a9.mp44.67MB86bdc2a5f4c30cc2a66de084fb968591.mp45.83MB92e648d171bcf5cd419b66c0f14a0819.mp45.09MB275a8432465a491d221784336861bf90.mp46.02MB0719d468e49d1d10891caaa1e2c69acb.mp47.42MB773bfdd3f79c24ca683fb47a424eb8fa.mp48MB36781d841f00b334ee9e2837c449ba8a.mp45.79MB75563cc7ac61e1ddf2b6954edb3229db.mp43.71MB97413dd5e6312e1db1033edda4f1412b.mp44.28MBaa76af0733955238006551e6ffdb4480.mp45.31MBaf19f09662be3ecad0a1080474ff2b91.mp44.11MBbb2e94cfdde64a056447289369de54f8.mp44.03MBbb8553c5d5e92f22de498269cfa4fc06.mp42.95MBbe4c7438beabe257938e9bd6ba60376b.mp44.1MBe24ce2d6a41f7b1a0ac1519568e84b77.mp43.93MBe44a55e3a3d00c0bd2f2326b480976e3.mp49.43MBf4f1a062ccc158fd143bfaa76f6b75e0.mp410.05MBf74e23a702fd4719fc4ab5b697ee67f0.mp43.68MB大家都来学化学68.07MB
0ea1db8c6a55afb3b9f46ab7d2f0e176.mp45.14MB70f43bdebd18d94a46f6407ce286a106.mp48.03MB183a88a32b47546aa71c5e178a51bb7b.mp45.84MB636ab9a82e36cc3593b8699f72870e08.mp46.29MB741df97acffce958d7dbaa820759abe2.mp46.79MB159187349840a981d4ce8409c23e0f25.mp412.19MBb0325ca3d88ea566e5ad329d67479cf2.mp412.17MBc775ce41e2d7bff3a13e38d3d75873e1.mp42.72MBecf368f6378e32db5e3c92ab570cc1d8.mp48.91MB金属130.45MB
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空气和生命20B
水和水的溶液0B
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初中化学答案.pdf62.25MB初中化学习题.pdf21.22MB生物4.86GB
七年级2.63GB
生物圈中的绿色植物798.91MB
1藻类植物.mp425.1MB2苔藓植物.mp427.53MB3蕨类植物.mp462.67MB4种子的结构.mp421.43MB5种子植物.mp426.04MB6被子植物的分布和作用.mp431.16MB7种子萌发的环境条件.mp428.91MB8种子萌发的自身条件.mp413.55MB9种子萌发的过程.mp414.76MB10幼根的生长.mp420.2MB11芽的发育.mp424.23MB12植株的生长需要哪些营养物质.mp441.81MB13花的结构.mp417.49MB14传粉.mp435.53MB15植物的受精.mp49.57MB16植物对水分的吸收和运输.mp415.15MB17叶片的结构.mp428.81MB18植物的蒸腾作用.mp431.94MB19绿色植物与水循环.mp424.55MB20绿叶如何制造有机物.mp416.29MB21有机物的作用.mp430.98MB22光合作用的原料.mp413.87MB23光合作用.mp410.22MB24光合作用与农业生产.mp423.91MB25植物的呼吸作用的过程.mp417.79MB26植物的呼吸作用.mp414.22MB27呼吸作用与农业生产.mp425.19MB28生物圈中的碳-氧平衡.mp426.86MB29我国主要的植被类型.mp454.47MB30我国植被面临的主要问题.mp464.68MB生物圈中的人954.84MB
1现代类人猿和人类的共同祖先.mp453.17MB2从猿到人的进化.mp422.53MB3人的生殖系统.mp49.56MB4人的受精.mp424.46MB5怀孕的过程.mp417.64MB6青春期.mp412.2MB7糖类、脂肪,蛋白质的作用.mp422.08MB8水和无机盐的作用.mp419.13MB9维生素的作用.mp424.49MB10膳食纤维.mp412.44MB11人体的消化系统.mp416.01MB12食物的消化.mp416.92MB13食物的吸收.mp421.01MB14合理营养.mp420.74MB15食品安全.mp416.01MB16鼻咽喉.mp418.53MB17气管和支气管.mp423.45MB18肺与外界的气体交换.mp416.1MB19肺泡与血液的气体交换.mp416.36MB20血液.mp430.06MB21血细胞.mp437.69MB22血管.mp420.72MB23心脏.mp418.76MB24血液循环.mp445.29MB25血型.mp416.67MB26输血和献血.mp413.48MB27泌尿系统的组成.mp419.42MB28尿的形成和排出.mp415.28MB29人体的排泄途径.mp422.1MB30眼和视觉.mp416.06MB31近视和远视.mp412.58MB32耳与听觉.mp423.04MB33人体对外界环境的感知.mp423.46MB34神经系统的组成.mp426.46MB35神经元.mp416.14MB36反射和反射弧.mp416.46MB37反射的分类.mp419.16MB38垂体和甲状腺的激素.mp418.58MB39胸腺、肾上腺和胰岛素的激素调节.mp430.17MB40分析人类活动对生态环境的影响.mp441.79MB41人口增长对环境的影响.mp420.19MB42环境污染对生物的不良影响.mp434.85MB43拟定保护生态环境的计划.mp433.59MB生物、生物圈和生物体的结构层次935.7MB
1生物的特征.mp456.5MB2生物的特征和观察法.mp440.97MB3调查周围环境中的生物.mp429.44MB4光对生物的影响.mp421.26MB5温度和水对生物的影响.mp429.82MB6生物因素对生物的影响.mp457.54MB7生物对环境的适应和影响.mp444.75MB8生态系统的组成.mp448.26MB9食物链和食物网.mp427.25MB10生态系统的特点.mp438.6MB11生物圈的范围.mp434.95MB12多种多样的生态系统.mp457.73MB13生物圈是一个统一的整体.mp456.74MB14显微镜的构造.mp413.74MB15玻片标本.mp416.31MB16植物细胞的基本结构.mp421.21MB17动物细胞的基本结构.mp422.77MB18细胞的生活需要物质和能量.mp430.99MB19细胞核.mp425.06MB20细胞的生长和分裂.mp424.41MB21细胞的分化和组织.mp424.88MB22人体的器官.mp429.99MB23人体的系统.mp414.79MB24植物的器官.mp423.41MB25植物的组织.mp428.05MB26单细胞生物的特点和种类.mp441.39MB27单细胞生物的结构和生活.mp445.2MB28单细胞生物及与人类的关系.mp429.69MB八年级2.24GB
动物的类群、行为和作用793.92MB
哺乳动物的种类及与人类的关系.mp437.29MB哺乳动物的主要特征.mp442.87MB扁形动物.mp412.11MB动物在生态系统中的作用.mp436MB动物在植物界、生物防治及仿生学中的作用.mp428.75MB骨、关节和肌肉的协调配合.mp438.8MB环节动物.mp419.2MB节肢动物里的昆虫类.mp436.08MB节肢动物里的其他种类.mp427.77MB两栖动物.mp448.14MB鸟的种类及与人类的关系.mp428.97MB鸟的主要特征.mp442.4MB爬行动物.mp462.43MB腔肠动物.mp446.24MB群体中的信息交流.mp434.5MB软体动物.mp464.72MB社会行为.mp447.48MB先天性行为.mp434.76MB线形动物.mp417.91MB学习行为.mp411.62MB运动系统的组成.mp415.75MB鱼的种类及与人类的关系.mp441.68MB鱼的主要特征.mp418.42MB生物圈中生命的延续和发展939.55MB
安全用药.mp418.45MB不完全变态发育.mp429.48MB产卵、孵卵和育雏.mp439.93MB传染病的预防措施.mp414.98MB传染病及其特点.mp421.53MB传染病流行的基本环节.mp416.46MB出血与止血.mp416.57MB带你参观养鸡场.mp442.3MB地球上生命的起源.mp423.52MB分析生物进化的一个实例.mp421.72MB计划免疫和艾滋病.mp418.46MB急救.mp419MB嫁接与组织培养.mp424MB健康.mp413.24MB健康的生活方式.mp422.27MB基因的显性和隐性.mp48.15MB基因经精子或卵细胞的传递.mp414.06MB基因控制生物的性状.mp423.09MB基因、DNA和染色体.mp424.2MB禁止近亲结婚.mp419.43MB昆虫的生殖和发育.mp421.2MB两栖动物的生殖发育与环境条件.mp423.79MB两栖动物的生殖和发育.mp478.99MB孟德尔的豌豆杂交实验.mp414.03MB孟德尔对豌豆杂交实验的解释.mp47.41MB免疫的功能.mp427.76MB鸟卵的结构.mp424.33MB男女染色体的差别.mp46.59MB扦插与压条.mp416.72MB求偶、交配和筑巢.mp426.5MB人的性别决定.mp414.19MB人类应用遗传变异原理培育新品种.mp419.72MB人体的第一、二道防线.mp425.47MB人体的第三道防线.mp434.85MB生物的变异.mp424.69MB生物的性状.mp415.76MB生物进化的大致历程.mp430.8MB学习研究生物进化的方法.mp418.52MB自然选择.mp410.97MB自然选择学说.mp433.98MB植物的无性繁殖.mp422.73MB植物的有性繁殖.mp49.7MB细菌、真菌和动物多样性557.46MB
病毒.mp425.45MB病毒与人类生活的关系.mp430.94MB保护生物多样性的主要措施.mp432.57MB从种到界.mp433.5MB动物的分类.mp419.42MB单细胞真菌--酵母菌.mp424.7MB多细胞真菌中的大型真菌.mp417.4MB多细胞真菌中的霉菌.mp413.37MB基因的多样性和生态系统的多样性.mp446.79MB生物多样性面临的威胁及其原因.mp452.96MB生物分类的演变及命名.mp413.26MB生物种类的多样性.mp422.82MB细菌的发现、形态和结构.mp418.23MB细菌的营养方式和生殖方式.mp423.51MB细菌和真菌的分布.mp412.69MB细菌和真菌与动植物共生.mp437.6MB细菌和真菌引起动植物和人患病.mp417.69MB细菌和真菌作为分解者参与物质循环.mp421.49MB细菌、真菌与人类生活的关系.mp425.96MB细菌、真菌与食品的保存.mp426.3MB细菌、真菌与食品的制作.mp422.17MB植物的分类.mp418.63MB数学133.1MB
北京版√0B
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一元一次不等式和一元一次不等式组0B
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初中数学课程目录.xlsx20.35KB初中数学每日一练.pdf37.3MB答案1.pdf46.83MB答案2.pdf35MB答案3.pdf13.95MB物理0B
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西游记 三国演义 水浒传0B
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