Question

What is Hydrogen? Explain​

Answer 1

Hydrogen is a chemical element with the symbol H and atomic no. is 1. with a standard atomic weight of 1.008, hydrogen is a 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

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.