Hydrogen is the lightest element in the universe. It is a gas that is colourless, odourless, and tasteless.
Hydrogen is the most abundant element in the universe, making up about 75% of all matter. It is also the most abundant element in the Sun and other stars.
Hydrogen is used in many different ways, including:
Hydrogen is the main component of water.
Noun: Hydrogen is the lightest and most abundant element in the universe. It is a colourless, odourless, and flammable gas.
Verb: To hydrogenate something is to add hydrogen to it. This can be done for a variety of purposes, such as making fats and oils more solid or making plastics more durable.
Adjective: Hydrogenous means containing hydrogen. For example, water is a hydrogenous compound because it is made up of hydrogen and oxygen.
The word "hydrogen" comes from the Greek words "hydro" (water) and "genes" (forming), meaning "water-forming". This is because hydrogen gas is the main component of water, and it is produced when hydrogen and oxygen react together.
What is hydrogen?
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