Question

2 Which of the gases in air are elements? Explain how you can tell.​

Answer 1

Step-by-step explanation:

nitrogen and oxygen are the gases in the air which are elements you can simply say it by looking the periodic table

Answer 2

I'll explain.

Step-by-step explanation:

The molecules of two different elements, nitrogen and oxygen, make up about 99 percent of the air. The rest includes small amounts of argon and carbon dioxide. Oxygen is the life-giving element in the air. You can tell because they're on the periodic table which is a table for elements.