Task 3

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1.
1 point
Iron II
2.
1 point
Iron III
3.
1 point
Lithium
4.
1 point
Magnesium
5.
1 point
Zinc
6.
1 point
Copper II
7.
1 point
Iodide
8.
1 point
Calcium
9.
1 point
Oxide
10.
1 point
Barium
11.
1 point
Silver
12.
1 point
Sodium
13.
1 point
Flouride
14.
1 point
Potassium
15.
1 point
Rubidium
16.
1 point
Sulfide
17.
1 point
Chloride
18.
1 point
Strontium
19.
1 point
Magnesium
20.
1 point
Caesium
21.
1 point
Beryllium
22.
1 point
Aluminium
23.
1 point
Bromide
24.
1 point
Hydrogen
25.
1 point
Copper I