The atomic weight of helium is five times more than that of hydrogen.

admin2015-08-21  28

问题 The atomic weight of helium is five times more than that of hydrogen.

选项

答案核的原子质量比氢的原子质量重五倍。

解析
转载请注明原文地址:https://kaotiyun.com/show/wWTC777K
本试题收录于: 英语题库普高专升本分类
0

随机试题
最新回复(0)