Question

atomic size increases on going down the groups due to addition of
please give correct answer
a) electrones
b) new shell
c) both
d) none​

Answer 1

Answer:

(b) new shell

Explanation:

due to the addition of new shell, effective nuclear charge increases

Answer 2

Answer:

डेढ़ में नहीं होता रहा तो क्या सुरक्षा करो