核电荷数 hé diàn hè shù

DEFINITIONS

  1. electric charge on nucleus
  2. atomic number

CHARACTERS

核 hé
HSK 5
seed, kernel, core, nut; atom
电 diàn
HSK 1
electricity; electric; lightning
荷 hè lotus, water lily, holland
数 shù
HSK 3
number; several, count; fate