Answer: The group 1 and group 2 elements contain metals.
Step-by-step explanation:
Elements are distributed in 7 periods and 18 groups. Groups are the vertical columns and periods are the horizontal rows.
Elements that belong to Group 1 and Group 2 of the periodic table are considered as metals.
Metals are defined as the chemical species that looses electrons to attain stable electronic configuration.
Group 1 elements are considered as alkali metals and group 2 elements are considered as alkaline earth metals.
Hence, the group 1 and group 2 elements contain metals.