is water a compound or an element?

Water is a compound because of the following reasons

  1. Its properties are completely different from that of oxygen and hydrogen, its constituent elements.
  2. components of water cannot be seperated by physical methods.
  3. It has a fixed ratio. That is hydrogen and oxygen are always present in the same ratio by mass.
  4. Freezing and Boiling Point of water is fixed

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When two atoms of hydrogen combine with one atom of oxygen, a molecule of water is formed. Water is not an element; it is a compound. Compounds are formed by the combination of elements.

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