Question

what is hydrogen?????​

Answer 1

Answer:

Hydrogen is a chemical element with the symbol H and atomic number 1. With just one proton and one electron, it is the most common element, making up 75% of the mass of the entire universe. ... Rather, when hydrogen burns, it reacts with the oxygen in the air to create heat. This heat is then used for energy.

Explanation:

plz mark me brainlist dear

and also follow me