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प्रश्न
What is a molecule ? Explain with an example.
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उत्तर
Molecule is the smallest particle of a substance (element or compound), which has the properties of that substance. It can exist in a free state.
Example: Oxygen atoms combine and exist in the form of O3 molecules. Solid sulphur has eight sulphur atoms joined together, and exists in the form of S8 molecule.
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संबंधित प्रश्न
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