relative atomic mass 3.2 Flashcards
1
Q
the relative atomic mass equation is
A
(mass x abundance / total) + (mass x abundance / total)
2
Q
group shows us the
A
amount of outer shell electrons
3
Q
period shows us
A
the number of occupied electron shells
4
Q
atoms are neutral as they have
A
the same number of positive protons as negative electrons
5
Q
relative mass of an electron is
A
1/1840
6
Q
isotopes are
A
atoms with the same number of protons but a different number of neutrons
