Question

What is hydrogen ???


Koi on hai ???

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.

• Hydrogen can be used in fuel cells to generate electricity, or power and heat. Today, hydrogen is most commonly usedin petroleum refining and fertilizer production, while transportation and utilities are emerging markets.

Answer 2

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.

Hydrogen can be used in fuel cells to generate electricity, or power and heat. Today, hydrogen is most commonly usedin petroleum refining and fertilizer production, while transportation and utilities are emerging markets.