⚡ Hydrogen – The Lightest Element
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Hydrogen (H, from Latin "Hydrogenium", atomic number 1) is the first and lightest element in the periodic table.
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It consists of only one proton and one electron and is colorless and odorless.
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Properties & Uses:
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- Hydrogen is extremely light and is the most common element in the universe.
- Combined with oxygen, it forms water (H₂O).
- Its gas is used as an energy source for fuel cells, e.g., in hydrogen-powered cars.
- In space technology, hydrogen is used as rocket fuel.
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Hydrogen also plays a main role in processes like energy production in the Sun (nuclear fusion). In the laboratory, hydrogen is important for many chemical reactions.
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