Question

what are elementary gases

Answer 1

An elementary reaction is a chemical reaction in which one or more chemical species react directly to form products in a single reaction step and with a single transition state.Gas is one of the four
fundamental states of matter (the others being solid, liquid, and plasma). A puregas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide).

Answer 2

Answer:

Answer: one type of atom molecules