Chemistry, asked by sanamiandeeksha, 1 year ago

Two elements X and Y belong to the second group of periodic table. X has 2 shells and Y has 3 shells in it. Is the valency of X same as that of Y or different? why ?

Answers

Answered by dm7

Yes
Valency depends on number of valence electrons or electrons in last shell of an atom

and since atoms of elements in same group have same number of valence electrons
They have same valency

dm7: Remember it is the valence electrons which leave the atom first during ionisation

sanamiandeeksha: okay mate!!

sanamiandeeksha: tysm for ur help!!!

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