French, asked by llMrCupCakell, 5 months ago

what is Hydrogen???

Bye Ashu☺️

Answers

Answered by rachit149

Explanation:

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

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