Question

WHAT IS HYDROGEN?????!!!!​

Answer 1

Answer:

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• Hydrogen is a clean alternative to methane, also known as natural gas. It's the most abundant chemical element, estimated to contribute 75% of the mass of the universe.

• Here on earth, vast numbers of hydrogen atoms are contained in water, plants, animals and, of course, humans. But while it’s present in nearly all molecules in living things, it’s very scarce as a gas – less than one part per million by volume.

• Hydrogen can be produced from a variety of resources, such as natural gas, nuclear power, biogas and renewable power like solar and wind. The challenge is harnessing hydrogen as a gas on a large scale to fuel our homes and businesses.

Answer 2

Answer:

Hydrogen is a chemical element .It is colorless, odorless, flammable gas. It has the symbol H and atomic number 1. Hydrogen is the most common chemical element in the Universe, making up 75% of all normal (baryonic) matter (by mass).

"hope this helps!"