Define atom.
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Discy Latest Questions
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Define molecule
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Define the atomic mass unit?
Why is it not possible to see an atom with naked eyes?
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Write down the formulae of sodium oxide ?
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How many atoms are present in ion ?
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How many atoms are present in molecule ?
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Write down the formulae of aluminium chloride ?
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Write down the formulae of sodium sulphide ?
Write down the formulae of magnesium hydroxide ?