relative atomic mass Antonyms
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Meaning of relative atomic mass
relative atomic mass (n)
(chemistry) the mass of an atom of a chemical element expressed in atomic mass units
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(chemistry) the mass of an atom of a chemical element expressed in atomic mass units
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Relative atomic mass, also known as atomic weight, is the average mass of atoms of an element compared to the mass of an atom of carbon-12.
To calculate the relative atomic mass of an element, one must consider the isotopic composition of its naturally occurring isotopes.
Hydrogen, despite having an atomic mass of 1, has a relative atomic mass slightly higher due to the presence of its isotopes, deuterium, and tritium.
The relative atomic mass of an element is listed on the periodic table beneath its symbol.
