Question

What is Hydrogen???

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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

:-hydrogen is a chemical element.

:-it has the symbol H and atomic number 1.

:-it has a standard atomic weight of 1.008, meaning it is the lightest element in the periodic table.

:-hydrogen is the most common chemical element in the universe, making of 75 percent of all normal matter.

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