mass numbers

A form of mass number — The total number of protons and neutrons in an atomic nucleus. Symbol: A

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Meanings

noun
  1. pluralplural of mass number
Cite this entry
APA

mass numbers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mass%20numbers

MLA

“mass numbers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mass%20numbers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mass numbers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mass%20numbers.

Source: mass numbers on Wiktionary, CC BY-SA 4.0.