An element M is in the third group of the periodic table. Write the formulae of its chloride and oxide.

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Anonymous · Accepted Answer

Element M is in the third group, therefore it will have a valency of 3. Its chloride and oxide are MCl₃ and M₂O₃respectively. (∵ O and CI have valencies of -2 and –1 respectively).

An element M is in the third group of the periodic table. Write the formulae of its chloride and oxide.

Periodic Classification of Elements

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