Ummm I think it is C. ( not sure)
Ba stays as Ba+2 and Cl stays as Cl-
Answer:
Coulomb's law, mathematical description of the electric force between charged objects. Formulated by the 18th-century French physicist Charles-Augustin de Coulomb, it is analogous to Isaac Newton's law of gravity.
Explanation:
Soo yeah I think this can help you
All are the same. It equals to the same thing.