宇宙物质起源：人类与太空的奥秘

课程来源说明.txt - 14.92KB18元素周期表简介及元素周期表提供的信息.mp4 - 8.56MB17元素符号的写法及意义.mp4 - 11.32MB16地壳中元素的含量.mp4 - 6.31MB15元素的定义.mp4 - 10.39MB14相对原子质量、质子数、中子数之间的关系.mp4 - 9.12MB13相对原子质量.mp4 - 7.25MB12离子符号的写法与意义.mp4 - 10.46MB11离子的定义及分类.mp4 - 7.99MB......

4元素 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d0d60f2ec039ef444baaaddf6f4587bff5 folder3离子 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d03d3f78c868044719a25eec20361ec32a folder2原子的构成 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d0721bda82ad954ba783a0907fa99240fd folder1分子和原子 https://www.aliyundrive.com/s/R9Kmafku8F4/folder/63e411d13b8a67ff464e4c4081f608e79ab5c9e1 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

R 人类宇宙人类宇宙人类宇宙 https://www.aliyundrive.com/s/XcdwNomdQnf/folder/63b858bef1e85a996ca345039c472c4395ca0e27 folder