Question

b. What is meant by valency of an element?
What is the relationship between the
number of valence electron and valency?
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Answer 1

Answer:

The valency of an element is the number of atoms lost or gained by the atom of an element. valence electrons are the number of electrons present in the outermost shell of an atom. valency of an element depends on the valence electrons. valency of atoms having 1,2,3 valence electrons. = number of valence electrons.

Answer 2

Answer:

the no of electron present in last orbit.....