核电荷数 hédiànhèshù atomic number Definitions Defs Origin Strokes Stroke Words Sentences Sents 核电荷数 核電荷數 hédiànhèshù atomic number The amount of positive electric charge on an atomic nucleus; also known as the atomic number.
核电荷数 核電荷數 hédiànhèshù atomic number The amount of positive electric charge on an atomic nucleus; also known as the atomic number.
