The Elements: Hydrogen

Hydrogen is the lightest element, consisting of atoms with one proton. It forms molecules by bonding with another hydrogen atom. Highly flammable and reactive, hydrogen is crucial in forming water and powering the sun through nuclear fusion. It is a primary component of gas giants like Jupiter and is used on Earth in rocket fuel and airships. Hydrogen fuel cells offer a clean energy alternative. It is the most abundant element, making up three-quarters of the universe's mass.

What is the primary reason for hydrogen's low mass?

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How does hydrogen contribute to the formation of water?

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What are some uses of hydrogen in technology?

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Why is hydrogen considered a potentially pollution-free alternative to gasoline?

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What percentage of the universe's mass is estimated to be made up of hydrogen?

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