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2水的组成与净化 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411cc39dff53526e54e53813898a07f1a0a5b folder1分子和原子 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411cd801fe85676034f998973fc6403b73e30 folder新人必读！！！阿里云盘达人计划快速升3级指南.docx 110.22 KB docx

课程来源说明.txt - 14.92KB14有关相对分子质量的计算.mp4 - 6.00MB13化学符号及周边数字的意义.mp4 - 7.01MB12原子团.mp4 - 17.85MB11化合价的应用.mp4 - 9.63MB10化合价.mp4 - 8.39MB09化学式的读写.mp4 - 8.16MB08化学式的意义.mp4 - 8.79MB07纯净物的分类――单质、化合物、氧化物.mp4 - 9.61MB......

14有关相对分子质量的计算.mp4 6.00 MB mp413化学符号及周边数字的意义.mp4 7.01 MB mp412原子团.mp4 17.85 MB mp411化合价的应用.mp4 9.63 MB mp410化合价.mp4 8.39 MB mp409化学式的读写.mp4 8.16 MB mp408化学式的意义.mp4 8.79 MB mp407纯净物的分类――单质、化合物、氧化物.mp4 9.61 MB mp406水的组成实验.mp4 5.65 MB mp405氢气的性质与检验.mp4 7.25 MB mp404硬水和软水.mp4 7.28 MB mp403过滤.mp4 9.44 MB mp402自来水净化.mp4 5.42 MB mp401爱护水资源.mp4 7.91 MB mp4

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纪录片《超/自然》全1季 强烈推荐! 很好看 (2022) https://www.aliyundrive.com/s/AEfGsazDKNz/folder/63b8598fe4e6ae9a77d44a9bb63aeea9c2e18af6 folder↑↑↑点左上角头像订阅，获取更多资源↑↑↑ https://www.aliyundrive.com/s/AEfGsazDKNz/folder/64631a2e3108ec65a7494c978ca9440414742c3e folder阿里云盘快速领3T空间指南.docx 109.56 KB docx点我参加官方活动领50T空间和会员优惠券.txt 0.77 KB txt

3化学式的计算 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d2e11926c0cb2449d0b6869b0e2da3a607 folder2化学式与化合价 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d1bf598c0b491e4696b48b6edb29b6b4c0 folder1水的组成与净化 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d11465b885647143b885fe40b70602cdcb folder新人必读！！！阿里云盘达人计划快速升3级指南.docx 110.22 KB docx