Question

In modern 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

Explanation:

Metallic character increases as we move down the group. This is because the atomic size increases so that electrons are lost easily. The atomic size decreases across a period as we move from left to right because there is an increase in nuclear charge.