Question

The number of charges on an ion formed by a non-metal is :

• A. Equal to number of valence electrons minus eight
• B. Equal to the period of the non-metal
• C. Equal to the group number of the non-metal
• D. Equal to the group number of the non-metal minus five

Answer 1

Answer: (A)

Equal to number of valence electrons minus eight

Non-metal atoms gain an electron, or electrons, from another atom to become negatively charged ions. The number of charges on an ion formed by a non-metal is equal to the group number minus eight.