Periods and groups - SC4 Flashcards
1
Q
which groups are metal
A
1, 2 and 3
2
Q
which groups are non-metals
A
5, 6 and 7
3
Q
what is the group number
A
number of electrons in outer shells
4
Q
what is period number?
A
number of shells
5
Q
pls kill me chemistry is hard
A