Question

highlight the main group metals in the periodic table below.

Explanation:

Main - group metals are found in groups 1, 2, and 13 - 16 of the periodic table and have characteristic metallic properties. In the given periodic table, they include elements like Li, Na, K, Rb, Cs, Fr (Group 1 - alkali metals), Be, Mg, Ca, Sr, Ba, Ra (Group 2 - alkaline - earth metals), and Al, Ga, In, Tl (Group 13 metals).

Answer:

Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra, Al, Ga, In, Tl