Question

Sodium and phosphorus combine to form Na3P. The name of this compound is .

Answer 1

Answer: sodium phosphide

Explanation:

$Na_3P$ is an ionic compound because sodium is a metal which forms $Na^+$ by loss of electron.

Phosphorous is a non-metal and The bond formed between a metal and a non-metal is always ionic in nature.

The nomenclature of ionic compounds is given by:

1. Positive is written first.

2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.

Hence, the name of $Na_3P$ is sodium phosphide.

Answer 2

Binary ionic compound