Question

16. In modem periodic table, as we move from left to right along the period, the
atomic size of the elements
A increases
B. does not change
C. decreases
D. first increases and then decreases​

Answer 1

Answer:

Atomic size refers to the distance from the atomic nucleus to the outermost electron orbit. Atomic size usually increases on going down in a group as the number of shells also increases. But, it decreases on moving left to right across the period due to the shrinking of the atom because of increasing nuclear force.

Answer 2

A) increases, dude from outer most elecrons cheak it out fast and al so lls follow