Question

1. Write the neutral compound and name properly for the following:

Lithium with nitrogen

calcium with phosphorus

sodium oxide

potassium with sulfate

carbon 4+ with oxygen

ammonium with oxygen

Answer 1

1.

Lithium and Nitrogen

Li⁺¹  N^3-

by exchanging of ions

Li₃N - Neutral compound

Name - Lithium Nitride Or Trilithium nitride

2. Calcium and Phosphorus Ca

Ca²⁺    P^3-

Neutral compound- Ca₃P₂

Name - Calcium phosphide Or Tricalcium di phosphide

3. Sodium Oxide

Na⁺¹   O^2-

Neutral compound- Na₂O

Name - Sodium oxide Or Di sodium oxide

4. Potassium with sulphate

K⁺¹   SO₄^2-

Neutral compound- K₂SO₄

Name - Potassium sulfate

5. Carbon with oxygen

C⁺⁴    O^2-

Neutral formula- C₂O₄

or dividing by 2 now formula is CO₂

Name - Carbon dioxide