Question

5. 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

Answer:

C) decreases

Explanation:

Atomic size gradually decreases from left to right across a period of elements. This is because, within a period or family of elements, all electrons are added to the same shell.