8a Flashcards
1
Q
Iron II
A
+2
Fe
2
Q
Sulfate
A
2-
SO
4
3
Q
Hydroxide
A
-
OH
4
Q
-/+ X
A
ON
5
Q
Phosphate
A
3-
PO
4
6
Q
Rules
A
1) ON of elements in natural form=0
2) ON of monatomic ion= to the charge
3) Compound sum of ON=0
4a) Group 1=+1
4b) Group 2=+2
4c) Hydrogen +1 with non metal
- 1 with metal
4d) Oxygen = -2 except with fluoride where it has a +ON
- 1 in peroxide ion
4e) Halogens (group 17) = -1
5) Sum of ONs in polyatomic ion=charge
7
Q
X -/+
A
Charge
9
Q
Ammonium
A
+
NH
4
10
Q
Aluminum ON
A
+3
11
Q
Left side__
Right side__
A
Left side positive
Right side negative
12
Q
Nitrate
A
-
NO
3