On moving from left to right in a period in the periodic table, the size of the atom.
(a) increases
(b) decreases
(c) does not change appreciably
(d) first decreases and then increases

3 years ago

Solution: The answer is (b) decreases

Explanation: When we move from left to right in a period, the radius of the atom shrinks, and as a result, the size of the atom reduces as well.