Question

what is hydrogen? -_- ​

Answer 1

• 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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Answer 2

hydrogen is an atom whose position is not fixed in periodic table... many scientists try to place it in periodic table but all failed then hennrey mosley gave modern periodic table in which hydrogen is placed separately

hydrogen's atomic no. is 1 and mass is approximately 1

it form many compounds like H2O (water) , H2SO4, HNO3

hope it's all u want