Question

In the periodic table, with the increase in atomic
number, the metallic character of an element
(a) Decreases in a period and increases in a group
(b) Increases in a period and decreases in a group
(c) Increases both in a period and the group
(d) Decreases in a period and the group.

Answer 1

(a) Decreases in a period and increases in a group

Explanation:

In the periodic table, with the increase in atomic number, the metallic characteristic increases as we from top to bottom in a group, but decreases as we go from left to right in a period.  

Option A is the answer.