Social Sciences, asked by mizqueen75, 1 month ago

what is hydrogen ???

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Answers

Answered by Anonymous

Answer:

First gas in the periodic table

Answered by vikrantvikrantchaudh

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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