Unformatted text preview: Atomic Weight - Mass refers to the amount of a substance. . Weight refers to the force exerted on a
substance by gravity. . Atomic mass of an atom refers to the sum of
the masses of protons and neutrons. - measured in Daltons - 1 Proton - -1 Neutron - 1 Electron - 1/1840 of that size - negligible ...
View Full Document