1.

(55) What is the periodic trend in thevariation of valency while going from left toright within a period? Explain your answer withreference to the period 2 and period 3.Ans

Answer»

While moving left to right across a period, the number of valence electrons of elements increases and varies between 1 to 8.

Valency first increases and then decreases.

Valency increases from 1 to 4 and then decreases.



Discussion

No Comment Found

Related InterviewSolutions