1
Q
ammonium ion
A
NH4^+
Charge: 1+
2
Q
silver ion
A
Ag^+
Charge: 1+
3
Q
carbonate ion
A
CO3^2-
2- charge
4
Q
hydride ion
A
H^-
1- charge
5
Q
magnesium ion
A
Mg^2+
Charge: 2+
6
Q
chloride ion
A
Cl^-
1- charge
7
Q
fluoride ion
A
F^-
1- charge
8
Q
hydroxide ion
A
OH^-
1- charge
9
Q
iron (II) ion
A
Fe^2+
Charge: 2+
10
Q
sulfate (sulphate) ion
A
SO4^2-
charge 2-
11
Q
oxide ion
A
O^2-
2- charge
12
Q
hydrogen ion
A
H^+
Charge: 1+
13
Q
nitrate ion
A
NO3^-
1- charge
14
Q
sulfide (sulphide ) ion
A
S^2-
2- charge
15
Q
sodium ion
A
Na^+
Charge: 1+
16
Q
nitride ion
A
N^3-
3- charge
17
Q
potassium ion
A
K^+
Charge: 1+
18
Q
aluminium ion
A
Al^3+
Charge: 3+
19
Q
zinc ion
A
Zn^2+
Charge: 2+
20
Q
iodide ion
A
I^-
1- charge
21
Q
bromide ion
A
Br^-
1- charge
22
Q
barium ion
A
Ba^2+
Charge: 2+
23
Q
copper (II) ion
A
Cu^2+
Charge: 2+
24
Q
hydrogencarbonate ion
A
HCO3^-
1- charge
25
iron (III) ion
Fe^3+
## Footnote
Charge: 3+
26
lithium ion
Li^+
## Footnote
Charge: 1+
27
lead ion
Pb^2+
## Footnote
Charge: 2+
28
calcium ion
Ca^2+
## Footnote
Charge: 2+
29
What is an ion?
An atom or group of atoms that has a positive or negative charge.
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