質子數 [质－数]

Jyutping zat1 zi2 sou3
Pinyin zhí zǐ shù

Definitions (Wiktionary)
  1. noun
    proton number

質子數 [质－数]

Jyutping zat1 zi2 sou3
Pinyin zhì zǐ shù

Definitions (CC-CEDICT)
  1. proton number in nucleus
  2. atomic number
Definitions (Wiktionary)
  1. noun
    proton number