3.2.4 - ionic formulae Flashcards
1
Q
what are the charges on group 1 elements?
A
1+
2
Q
what are the charges on group 2 elements?
A
+2
3
Q
what are the charges on group 3 -> 12 elements?
A
variable
4
Q
what are the charges on group 13 elements?
A
+3
5
Q
what are the charges on group 15 elements?
A
-3
6
Q
what are the charges on group 16 elements?
A
-2
7
Q
what are the charges on group 17 elements?
A
-1
