Question

What must group 16 do to become stable

Answer 1

Group 16 must gain 2 electrons to become stable :)

Hope this helps!!

Answer 2

Group 16 on the periodic table must gain two electrons to become stable.
Reasoning: The elements in group 16 already has six valence electrons and for order your element to become stable it requires that element to have a total of eight valence electrons to have a full outer shell.

HOPE THIS HELPS! ^_^