原jyun4子zi2序zeoi6

English

1. atomic number; proton number; the number of protons found in the nucleus of an atom of a particular chemical ----
2. a way of listing the chemical elements in order in the periodic table

粵語 — Cantonese

1. 一種化學元素嘅原子入面質子嘅數量
2. 化學元素週期表入面化學元素嘅排序

Examples

• 鐵的原子序數是二十六。

  The atomic number of iron is 26.

  Tatoeba · nickyeow CC BY