Vertical columns in the periodic table indicate what information? . . a.. periods. . b.. liquids. . c.. synthetic elements. . d.. groups and families

Vertical columns in the Periodic table indicate groups and families. The correct option among all the options that are given in the question is the last option or option "D". Periodic table is actually a table where the chemical elements are arranged based on their atomic numbers. I hope the answer comes to your help.

The ratio is 3: 2. i.e. c.