搜狗做题网100分求一道物理题 If the mass of a hydrogen atom is 1.67*10^-27kg a
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100分求一道物理题
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?
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?
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^-31kg,问多少个电子的质量和一个氢原子的质量相等,所以答案是 1.67*10^-27/9.1*10^-31=1835个
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