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