the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
Chat with our AI personalities
Atomic mass.
The atomic mass of silver is approximately 107.87 atomic mass units.
The atomic mass of aluminum is approximately 26.98 atomic mass units.
The atomic mass of arsenic is approximately 74.92 atomic mass units.
The atomic mass of potassium is approximately 39.10 atomic mass units.