Atomic mass

From Chemistry

The atomic mass of a chemical element is the mass, measured in amus. On the periodic table the atomic mass is shown as the mass of one mole of the chemical element measured in grams. Atomic mass can also be used to refer to the total mass of a compound, where the atomic mass is the mass of one formula unit measured in amus or one mole of compound measured in grams.

[edit] Examples

• The chemical element Hydrogen has an atomic mass of 1.008 grams/mole.
• The chemical compound Carbon dioxide (CO₂) has an atomic mass of 44 grams/mole.