True or false on group 15

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Nitrogen is 78 per cent of the air.

2. Statement is true

   No

   Statement

   Bismuth is a non-metal.

3. Statement is true

   Yes

   Statement

   Dinitrogen is a diatomic gas.

4. Statement is true

   No

   Statement

   Nitrogen has d-orbitals available.

5. Statement is true

   Yes

   Statement

   Dinitrogen is non-toxic.

6. Statement is true

   No

   Statement

   Moscovium occurs naturally on earth.

Instructions

Decide whether each statement is true or false.

Explanation