Question

Which of the is not a element.

(1) Graphite
(2) Oxygen
(3) Air
(4) Sodium

Plz help me with right answer... ​

Answer 1

Hey! Your answer-

(3) Air

Air is not an element. It is a mixture of many compounds such (oxygen)O2, (carbon dioxide)CO2, etc.

Answer 2

It's option 3) Air

Oxygen & Sodium are already Elements & Graphite is a carbon based Element...