Final answer:
A vertical group of elements in the periodic table with similar chemical properties is called a family or group.
Step-by-step explanation:
Another name for a vertical group of elements in the periodic table with similar chemical properties is a family or a group.
The periodic table is arranged so that elements with similar chemical behaviors are grouped together.
Each family or group contains elements that have the same number of valence electrons and exhibit similar chemical properties.
Some of the commonly known groups include alkali metals, alkaline earth metals, halogens, and noble gases.