the mass that the atom or the element has
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The Atomic Mass of an element represents the average mass of all its isotopes, taking into account their relative abundance. It is typically expressed in atomic mass units (amu) and can be found on the Periodic Table below the element's symbol.
Atomic mass unit. Unit for mass for atoms & their sub-atomic particles. An electron is rounded to 0 amu (since its mass is less than 1 amu). A proton and a neutron are 1 amu each.
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.
In chemistry the abbreviation amu stands for atomic mass unit. It is defined as 1/12th the mass of a carbon atom.