Question

Predict the ions formed for each of the elements: Iodine

Sodium, Oxygen, Magnesium, Bromine, Sulfur, Nitrogen, Aluminium

Answer 1

1) Iodine

Iodine is in group 7 of periodic table

It has 7 valence electrons

It will accept 1 more electron and complete the octet.

The ion formed is I^-

Answer: I^-

2) Sodium

Sodium is in group 1 of periodic table

It has 1 valence electrons

It will donate this 1 electron and complete the octet.

The ion formed is Na⁺

Answer: Na⁺

3) oxygen

Oxygen is in group 6 of periodic table

It has 6 valence electrons

It will accept 2 more electron and complete the octet.

The ion formed is O^2-

Answer: O^2-

4) Magnesium

Magnesium is in group 2 of periodic table

It has 2 valence electrons

It will donate this 2 electrons and complete the octet.

The ion formed is Mg²⁺

Answer: Mg²⁺

5) Bromine

Bromine is in group 7 of periodic table

It has 7 valence electrons

It will accept 1 more electron and complete the octet.

The ion formed is Br^-

Answer: Br^-

6) Sulfur

Sulfur is in group 6 of periodic table

It has 6 valence electrons

It will accept 2 more electron and complete the octet.

The ion formed is S^2-

Answer: S^2-

7) Nitrogen

Nitrogen is in group 5 of periodic table

It has 5 valence electrons

It will accept 5 more electron and complete the octet.

The ion formed is N^3-

Answer: N^3-

8) Aluminium

Aluminium is in group 3 of periodic table

It has 3 valence electrons

It will donate this 3 electrons and complete the octet.

The ion formed is Al³⁺

Answer: Al³⁺