mass number

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mass number

Wikipedia

Etymology

Ellipsis of atomic mass number.

Noun

mass number (plural mass numbers)

1. (physics, physical chemistry) The total number of protons and neutrons in an atomic nucleus. Symbol: A

Synonyms

• atomic mass number
• nucleon number

Related terms

• atomic mass
• atomic mass unit
• atomic number
• atomic weight

Translations

number of protons and neutrons in an atomic nucleus

Arabic: عَدَد كُتْلِيّ m (ʕadad kutliyy) Catalan: nombre màssic m, nombre de massa m Chinese: Mandarin: 質量數 / 质量数 (zh) (zhìliàngshù) Danish: nukleontal n Finnish: massaluku (fi) French: nombre de masse (fr) m Georgian: მასური რიცხვი (masuri ricxvi) German: Massenzahl (de) f Greek: μαζικός αριθμός (el) n pl (mazikós arithmós) Indonesian: nomor massa Italian: numero di massa (it) m Korean: 질량수 (ko) (jillyangsu) Latvian: masas skaitlis m Maori: tau karihi Portuguese: número de massa m Russian: массовое число́ n (massovoje čisló) Spanish: número másico m, número de masa m Swedish: masstal (sv) n Thai: เลขมวล Ukrainian: ма́сове число́ n (másove čysló), нукло́нне число́ n (nuklónne čysló, literally “nucleon number”) Vietnamese: số khối (vi)