Question

write a short note on significance of valence electron and valency​

Answer 1

Answer:

Significance of valence electrons: The valence electrons of an atom are responsible for and take part in chemical change. ... The number of electrons in atom that actually take part in a chemical reaction is known as the valency of the element. If the outermost shell of an atom is completely filed, its valency = 0.

Explanation:

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Answer 2

Explanation:

Significance of valence electrons: The valence electrons of an atom are responsible for and take part in chemical change. ... The number of electrons in atom that actually take part in a chemical reaction is known as the valency of the element. If the outermost shell of an atom is completely filed, its valency = 0.

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