atomic mass

noun

Meaning

The total mass of an atom, typically expressed in atomic mass units, representing the sum of its protons and neutrons.

Examples

Carbon-12 is used as the standard reference for determining the atomic mass of other elements.
The atomic mass of hydrogen is approximately 1.008 because of the presence of isotopes.

Synonyms: atomic weight

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atomic mass

noun

Pronunciation: əˈtɒmɪk mæs

Definition

The total mass of an atom, typically expressed in atomic mass units, representing the sum of its protons and neutrons.

Examples

Carbon-12 is used as the standard reference for determining the atomic mass of other elements.
The atomic mass of hydrogen is approximately 1.008 because of the presence of isotopes.

Synonyms of atomic mass

Words with a similar meaning to atomic mass:

atomic weight

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