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nucleon number

/ˈnjuːkliɒn ˈnʌmbər/

翻译: 科学术语,指原子核中质子和中子的总数,也称为质量数。

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phrase

/ˈnjuːkliɒn ˈnʌmbər/C1formalscientific
  • zh科学术语,指原子核中质子和中子的总数,也称为质量数。

A scientific term referring to the total number of protons and neutrons in the nucleus of an atom, also known as the mass number.

  1. Mass number of an atomC1formal

    The total number of protons and neutrons in the nucleus of an atom.

    zh质量数

    • The nucleon number of carbon-12 is 12.
    • Isotopes of an element have the same atomic number but different nucleon numbers.
    • The nucleon number determines the mass of the atom.