Definition, Meaning & Synonyms

relative atomic mass

Noun
/ˈrɛlətɪv ˈætəmɪk mæs/
Definition
The relative atomic mass of an element is a measure of the mass of its atoms compared to the mass of carbon-12.
Examples
  • The relative atomic mass of hydrogen is approximately 1.01.
  • Different isotopes of an element can have different relative atomic masses.
  • When calculating molecular weights, knowing the relative atomic mass is essential.
Meaning
Relative atomic mass reflects how heavy an atom is when compared to the standard carbon isotope.
Synonyms
  • Atomic weight
  • Relative atomic weight