Relative Atomic Mass (Noun)
Meaning
(chemistry) the mass of an atom of a chemical element expressed in atomic mass units.
Classification
Nouns denoting attributes of people and objects.
Examples
- The relative atomic mass of carbon is 12.01, which is the standard unit of atomic mass.
- To calculate the relative atomic mass of an element, the masses of its naturally occurring isotopes must be taken into account.
- The relative atomic mass of chlorine is 35.45, which is the weighted average of the masses of its two naturally occurring isotopes.
- The relative atomic mass of an element is a weighted average of the masses of its naturally occurring isotopes, which can vary slightly depending on the source of the element.
- The International Union of Pure and Applied Chemistry publishes a table of standard relative atomic masses for the elements, which is updated periodically to reflect new measurements and discoveries.