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प्रश्न
Define of Molecular formula.
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उत्तर
Molecular formula: It is a symbolic representation of a molecule. It shows the number of atoms of each element present in it. These atoms combine in whole number to form the molecule.
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संबंधित प्रश्न
Write the molecular formulae of Copper oxide.
What is variable valency ? Give two examples of elements showing variable valency.
Write the molecular formulae of Lead (II) oxide – PbO.
Write the molecular formulae of Hydrogen nitrate (nitric acid).
Explain the term ‘variable valency’.
Copper having electronic configuration 2,8,18,1 exhibits variable valency. Give a reason for the same and name the compound CuCI and CuCl2.
Write the chemical formula of the following compound in a step-by-step manner –
Magnesium nitride
Write the chemical formula of the following compound in a step-by-step manner –
Copper [I] sulphide
Write the chemical formula of the following compound in a step-by-step manner –
Iron [II] hydroxide
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] sulphur
