Z
atomic #
A
mass #
mass # =
protons (or atomic #) + neutrons
what is atomic mass
the weighted average of all masses of all element atoms including isotopes
Where is atomic # on periodic table
Above element symbol
where is atomic mass on periodic table
below element symbol
what is atomic # equal to
the # of protons
is atomic # a whole number or decimal?
atomic number is always a whole number
is atomic mass a whole number or a decimal?
atomic mass can be a decimal