Definitions of Atomic structure

Cards (3)

  • Relative Atomic Mass
    The average mass of an atom of an element when compared to the mass of 1/12 an atom of carbon-12.
  • Relative Isotopic Mass
    The average mass of an isotope when compared to the mass of 1/12 an atom of carbon-12
  • Relative molecular Mass ( Mr )
    The average mass of a molecule when compared to the mass of 1/12 an atom of carbon-12