质量数 zhìliàngshù mass number; nucleon number; atomic mass Definitions Defs Origin Strokes Stroke Words Sentences Sents 质量数 質量數 zhìliàngshù mass number; nucleon number; atomic mass The total number of protons and neutrons (nucleons) in an atomic nucleus; used to distinguish between different isotopes of an element
质量数 質量數 zhìliàngshù mass number; nucleon number; atomic mass The total number of protons and neutrons (nucleons) in an atomic nucleus; used to distinguish between different isotopes of an element
