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Groups in Modern Periodic Table

A metal M bel...

Question

A metal M belongs to 13th group in the modern periodic table. Write the valency of the metal.

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Solution

Dear Student

Atomic number : 13 (N)
Electronic configuration : 2, 8, 3
Valency : 3
An element is 13th group has 3 electrons in its valence shell and thus has a valency of 3.
It loses electrons to form cation with charge 3+.

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