原子序 — meaning in English
yuán zi xù
Chinese → English · translate English → Chinese instead
English meaning
- atomic number noun The number of protons in the nucleus of an atom, which determines what element the atom is and where it sits on the periodic table.
Senses
原子序 is used for these senses in English:
- atomic number (physics, chemistry) The number of protons in an atom. Symbol: Z
- ordinal number (grammar) A word that expresses the relative position of an item in a sequence.