atomic mass
复数形式
atomic masses
1
原子量, 原子质量
the weighted average mass of an atom of an element, taking into account the masses of all its naturally occurring isotopes
- The atomic mass of carbon is approximately 12.01 because it averages the masses of carbon-12 and carbon-13 isotopes.
碳的原子量约为12.01，因为它是碳12和碳13同位素质量的平均值。
- Hydrogen has an atomic mass of about 1.01, reflecting the presence of both protium and deuterium isotopes.
氢的原子量约为1.01，反映了氕和氘同位素的存在。
- The periodic table lists the atomic mass of oxygen as 16.00, considering its common isotopes.
周期表将氧的原子量列为16.00，考虑了其常见同位素。
- Chlorine's atomic mass is roughly 35.45, influenced by its two major isotopes, chlorine-35 and chlorine-37.
氯的原子质量大约为35.45，受其两种主要同位素氯-35和氯-37的影响。
- The atomic mass of uranium is approximately 238.03, accounting for its isotopes uranium-235 and uranium-238.
铀的原子质量约为238.03，考虑了其同位素铀235和铀238。