Question

define valency . give ex​

Answer 1

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$\Huge\pink{\textbf{Valency:}}$

→ The valency of an element is the number of hydrogen atoms that can combine with or replace one atom of the element.

→ Example:

• oxygen has six valence electrons, but its valency is 2.

Answer 2

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The combining capacity of the atoms in a element is known as valency.

Example: Valency of magnesium is 2