|
Symbol |
Ion |
Proton no. |
Charge |
Electron no. |
Electron shells |
|
H+ |
Hydrogen |
1 |
+1 |
0 |
0 |
|
Li+ |
Lithium |
3 |
+1 |
2 |
2 |
|
Be2+ |
Beryllium |
4 |
+2 |
2 |
2 |
|
O2- |
Oxide |
8 |
-2 |
10 |
2.8 |
|
F- |
Fluoride |
9 |
-1 |
10 |
2.8 |
|
Na+ |
Sodium |
11 |
+1 |
10 |
2.8 |
|
Mg2+ |
Magnesium |
12 |
+2 |
10 |
2.8 |
|
Al3+ |
Aluminium |
13 |
+3 |
10 |
2.8 |
|
S2- |
Sulphide |
16 |
-2 |
18 |
2.8.8 |
|
Cl- |
Chloride |
17 |
-1 |
18 |
2.8.8 |
|
K+ |
Potassium |
19 |
+1 |
20 |
2.8.8 |
|
Ca2+ |
Calcium |
20 |
+2 |
22 |
2.8.8 |
|
Fe2+ |
Iron(II) |
26 |
+2 |
28 |
2.8.14 (Find out why at
A-level) |
|
Fe3+ |
Iron(III) |
26 |
+3 |
29 |
2.8.13 (Find out why at
A-level) |
|
Cu2+ |
Copper(II) |
29 |
+2 |
31 |
2.8.17 (Find out why at
A-level) |
|
Zn2+ |
Zinc |
30 |
+2 |
32 |
2.8.18 |
|
Br - |
Bromide |
35 |
-1 |
34 |
2.8.18.8 |
|
Rb+ |
Rubidium |
37 |
+1 |
38 |
2.8.18.8 |
|
Sr2+ |
Strontium |
38 |
+2 |
40 |
2.8.18.8 |
|
Ag+ |
Silver |
47 |
+1 |
48 |
2.8.18.18 |
|
I- |
Iodide |
53 |
-1 |
52 |
2.8.18.18.8 |
|
Cs+ |
Caesium |
55 |
+1 |
56 |
2.8.18.18.8 |
|
Ba2+ |
Barium |
56 |
+2 |
58 |
2.8.18.18.8 |
|
Pb2+ |
Lead |
82 |
+2 |
84 |
2.8.18.32.18.2 (Don’t know
why) |
|
Fr+ |
Francium |
87 |
+1 |
88 |
2.8.18.32.18.8 |
|
Ra2+ |
Radium |
88 |
+2 |
90 |
2.8.18.32.18.8 |