which is another name for groups of elements?\nactinides\nfamilies\n halogens\nperiods

which is another name for groups of elements?\nactinides\nfamilies\n halogens\nperiods
Answer
Brief Explanations:
In chemistry, groups of elements are also called families. Actinides are a specific type of elements, halogens are a particular family, and periods are horizontal rows in the periodic - table, not another name for groups.
Answer:
B. families