In the periodic table, where is the set of elements that have exactly 2 valence electrons in their atoms? (1 point) Responses a stair-step line in groups 13 to 16 of the table a stair-step line in groups 13 to 16 of the table the second period, or row of the table the second period, or row of the table group 2, the second column of the table group 2, the second column of the table group 18, the noble gases at the far right of the table

Answer 1

The set of elements that have exactly 2 valence electrons in their atoms is found in group 2, the second column of the table. These elements are known as the alkaline earth metals.