Question

What is a column of the Periodic Table called?

Answer 1

You refer to Groups of the Periodic Table.....

Explanation:

The modern Periodic Table reflects electronic structure....

There are 18 Groups on the Periodic Table...and the Group number refers to the number of valence electrons....elements, typically metals, can lose electrons to become oxidized or, typically as non-metals, can gain electrons to become anions.

Answer 2

Every group has some measure of reactivity.

Explanation:

The alkali metals and the halogens are the most reactive element families while the noble gases are the least reactive and are chemically inert.