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单词 atomic number
释义

atomic number

​noun countable ​chemistry
UK
Word Forms
singularatomic number
pluralatomic numbers
DEFINITIONS1
  1. 1
    the number of protons in the nucleus of an atom
    Synonyms and related words
    Atoms and parts of atoms
    alpha particle
    anion
    antiparticle

atomic number

​noun countable ​chemistry
US
Word Forms
singularatomic number
pluralatomic numbers
DEFINITIONS1
  1. 1
    the number of protons in the nucleus of an atom
    Synonyms and related words
    Atoms and parts of atoms
    alpha particle
    anion
    antiparticle
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更新时间：2026/9/19 2:43:49