English, asked by tia65, 1 year ago

what is hydrogen

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Answered by ojassingh2063

it is a gas and is used for extraction of metal , found in free state in air and in water also

Answered by Anonymous

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.

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