Families is another name for groups of elements
In periodic table, a groups is column of an elements going fro up to down. The groups in periodic table are also named as families.Family is generally named by the first element falling in that group followed by the word' family' after it. For example group(II) is also known as boron family or boron group , group(IV) is also known as titanium family or titanium group.
Answer : B) Families
Explanation : In chemistry, a group is also called as a family which has a vertical column of elements arranged in the modern periodic table of the chemical elements.
There are 18 numbered groups in the modern periodic table, also it has the f-block columns between groups 3 and 4 which are not yet numbered. A group member has a some similar chemical property with each other in the group.
The answer would be-