Question

question 2. match the name of each group with its corresponding group number. group number group 1 (or 1a) group 2 (or 2a) group name halogens alkaline earth metals noble gases alkali metals

Explanation:

In the periodic - table, Group 1 (or 1A) is known as Alkali Metals. Group 2 (or 2A) is known as Alkaline Earth Metals. Halogens are in Group 17 (or 7A) and Noble Gases are in Group 18 (or 8A). But for the given groups 1 and 2, the matches are based on common periodic - table group names.

Answer:

Group 1 (or 1A): Alkali Metals
Group 2 (or 2A): Alkaline Earth Metals