Element Practice Flashcards
0
Q
Atomic mass - atomic #
A
of neutrons
1
Q
Same as atomic mass
A
of protons & neutrons
2
Q
equal to protons
A
of electrons
3
Q
Atomic #
A
Equal to protons
4
Q
Atomic mass
A
Protons plus neutrons
5
Q
Energy level #
A
Period
6
Q
of valance electrons
A
Group
