Question

A vertical column within the periodic table represents a:

Answer 1

A vertical column in a periodic table is called a group, I hope you found this answer helpful.

Answer 2

The answer is: a group.

Step-by-step explanation:

The periodic table can be divided into groups and periods. The periods are the horizontal rows, and the elements in the same period have the same number of orbitals, and similar molecular weights. The groups are the vertical columns, and the elements in the same group have the same atomic valence.