核电荷数 Traditional 核電荷數 hé diàn hè shù 🔊 electric charge on nucleus + Keep this word Meanings hé diàn hè shù 核電荷數 electric charge on nucleusatomic number Its characters 核hépitHSK 7–9电diànlightningHSK 3荷hélotus数shǔto countHSK 4