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