Which of the following families on the periodic table is likely to take on 2 electrons? . . family 2. family 12. family 16. family 18

If we say the words "take on 2 electrons" we mean to find the family that could accept 2 more electrons to satisfy the Octet Rule. Most of the elements that accept electrons are nonmetals. From the given above, the family to which this type is found is family 16. 

Anions are negative charged ions