百度试题 题目The lightest element is Hydrogen, the atom consists of a nucleus of only one proton, around evolves one electron A. of which/which B. its/which C. whit 相关知识点: 试题来源: 解析反馈 收藏
百度试题 结果1 题目The hydrogen atom is nearly 16 times as light as the oxygen atom.相关知识点: 试题来源: 解析 氢原子的重量约为氧原子的1/16(或比氧原子轻约15/16)。反馈 收藏
1. An atom of sulfur is 32 times heavier than an atom or hydrogen, or twice as heavy as an atom of oxygen. 翻译结果4复制译文编辑译文朗读译文返回顶部 . * An 1 atom of sulfur is 32 times heavier than an atom or hydrogen, or twice as heavy as an atom of oxygen. ...
The element immediately following hydrogen is helium, the atom ___ which contains two electrons.A.throughB.withC.atD.toE.of的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机
The number of hydrogen atom: n=1 The expression for the number of mole for the hydrogen is {eq}\dfrac{m_H}{M} =...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework and study questions...
百度试题 题目The element immediately following hydrogen is helium, the atom ___ which contains two electrons.相关知识点: 试题来源: 解析 of 反馈 收藏
The oxygen atom is nearly___ the hydrogen atom.相关知识点: 试题来源: 解析 16 times as heavy as15 times heavier than16 times the weight of 解析: 第7题需要填入介词,根据句意和固定搭配,应填入“For”,表示“因此”。 第8题需要填入动词的-ing形式,构成“keep doing sth.”结构,表示“继续做某事...
aTell me whyAm I the one your all belongs to- why me? null[translate] aso you lader 如此您lader[translate] aAn atom of sulfur is 32 times heavier than an atom ot hydrogen, or twice as heavy as an atom of oxygen. 硫磺原子比原子ot氢32次重或者两次重作为氧气原子。[translate]...
[translate] a용융 도금 기술일반 从元素技术成就它草拟 [translate] a1. An atom of sulfur is 32 times heavier than an atom ot hydrogen, or twice as heavy as an atom of oxygen. 1. 硫磺原子比原子ot氢32次重或者两次重作为氧气原子。 [translate] 英语...
hydrogen atom是原子核,质量为1.67*10^-27kg,electron是电子,质量为9.1*10^-31kg,问题是多少个电子和一个原子核质量相同,所以答案为1.67*10^-27kg/(9.1*10^-31kg)=1835个 查看完整答案 为你推荐 查看更多 一道物理题--物理牛人来! 不是Vt=23.6m/s和V0=19.6m/s,而是根据牛顿第二定律:T-mg=ma,求得...