Question

what is hydrogen?????​

Answer 1

Answer:

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.

Answer 2

Explanation:

Hydrogen is the first element present in the modern periodic table. It has an electronic configuration of 1 with only 1 electron which can easily be donated , forming hydrogen a metal. It also behave as a non metal/Halogens by gaining 1 electron.It is prepared by many processes such as using zinc, Haber's process or industrial. process.