Question

Element belonging to the same group have the same valency

Answer 1

Hi..

Here the ans is ..._______

Valency is the no.of electrons given,taken or shared by an atom to complete it's outemost shell. All the elements in the same group have the sa,e no.of electrons in their outermost shells.thus all these elements take, give or share the same no.of electrons.hence,elements in the same group show or have same valency. ...

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