Question

what is hydrogen?????????????.​

Answer 1

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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

$\huge\bold\red{Question:⤵}$

what is hydrogen?

$\huge\bold\pink{Answer:⤵}$

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.

$\bold\red{★hope \: it \: will \: help \: u..}$