Meaning Of The Word Atomic mass

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Atomic mass Meaning

Atomic mass Definition
Atomic mass Definition

What's The Definition Of Atomic mass?

atomic mass in American English
the mass of a given atom, usually expressed in atomic mass units: it is the atomic weight multiplied by the atomic mass unit
noun: the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1⁄16 the mass of one oxygen atom, but after 1961 based on 1⁄12 the mass of the carbon-12 atom

atomic mass in British English
noun: the mass of an isotope of an element in atomic mass units

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