If the mass of a hydrogen atom is 1.67*10^-27kg and the mass of an electron is 9.1*10^-31kg,how many electrons would be required to have a mass equivalent to one hydrogen atom? 相关知识点: 试题来源: 解析 这道题的意思是一个氢原子的质量是1.67*10^-27kg ,一个电子的质量是 9.1*10^...
If the mass of a hydrogen atom is 1.67*10^-27kg and the mass of an electron is 9.1*10^-31kg,how many electrons would be required to have a mass equivalent to one hydrogen atom? 下载作业帮APP学习辅导没烦恼 答案解析 结果1 举报 这道题的意思是一个氢原子的质量是1.67*10^-27kg ,一个...
the mass of a hydrogen atom 1/1H is equal to 1/12 of the mass of a carbon-12 atomso its relative isotopic mass is 1.A magnesium atom 24/12Mg is twice as heavy as a carbon-12 atom,so its relative isotopic mass is 24再给另一个例子...
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
The water molecule is___two hydrogen atoms and one oxygen atom.水分子由二个氢原子和一个氧原子构成。(p.19Chemical Structure第3-4行) ▲ make up of常用被动式,意为“由……所组成”。如:①The train was made up of 15 coaches.这列火车有15节车厢。②All living matter is made up of cells...
13. The water molecule is___two hydrogen atoms and one oxygen atom. 水分子由二个氢原子和一个氧原子构成。(p.19 Chemical Structure 第3—4行) ▲ make up of常用被动式,意为“由……所组成”。如:1 The train was made up of 15 coaches. 这列火车有15节车厢。2 All living matter is made ...
m.is nearly 16 times as heavy as the hydrogen atom.___ A. 氢原子在重量上几乎是氧原子的16倍 B. 氧原子几乎比氢原子重16倍 C. 氧原子在重量上几乎是氢原子的15倍 D. 氧原子在重量上几乎是氢原子的16倍 相关知识点: 试题来源: 解析 D 反馈 收藏...
1.The visible spectrum of the hydrogen atom consists of a series of lines that are randomly spaced.2.When the elementsC,N and Si rae arranfed in order of increasing first ionization energy,Which is the correct order?3.Which is a possible set of quantum number for a valence electron in ...
¦−24¦ The probable mass of the hydrogen atom is 1.67314 gramdoi:10.1016/0026-265X(61)90073-XA.A.B.-PElsevier B.V.Microchemical Journal
1.The spectrum of the hydrogen atom in the visible range is shown in the figure.Please figure out the formulation of these line as a function of wavelength.氢原子的谱线我就不放上来了,波长是410.2,434.0,486.1,656.3/nm其实这是量纲的计算吧?