Meaning atomic mass number
What does atomic mass number mean? Here you find 3 meanings of the word atomic mass number. You can also add a definition of atomic mass number yourself

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atomic mass number


Combined number of an atom's protons and neutrons.
Source: physicalgeography.net

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atomic mass number


The sum of the number of protons and the number of neutrons in an atom. Approximately equal to the mass of the atom.
Source: ge-at.iastate.edu

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atomic mass number


the total number of protons and neutrons in the nucleus of an atom.
Source: remm.nlm.gov

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