Question

whag is the correlation of the valency of the element with the group number of periodic table.​

Answer 1

The number of valence electrons increases from left to right in the periodic table. If the number of valence electrons of an element is equal to 4 as that of carbon,the the element would also have same valency that is 4.

Answer 2

$\star\bold\pink{Answer}$

The number of valence electrons increases from left to right in the periodic table. If the number of valence electrons of an element is equal to 4 as that of carbon,the the element would also have same valency that is 4.