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प्रश्न
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
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उत्तर
Molecule: Atoms of the same element or different elements combine to form a molecule. It is the smallest particle of a substance – which can normally exist independently and can retain, the physical and chemical properties of the substance.
Examples
Monoatomic molecule: Metals – Na, Mg, etc.
Diatomic molecule: H2, O2, N2.
Polyatomic molecule: O3, P4.
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
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CO and Co both represents cobalt.
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Name – a gas with a pungent, choking odour which is lighter than air
Explain the difference between Metals and non-metals.
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Elements contain the ______of the same kind.
