The formula unit for the ionic compound barium oxide consists of 1 Ba²⁺ ion and 1 O²⁻ ion. Therefore, the correct answer is:
? 1 Ba²⁺ ion and 1 O²⁻ ion
The formula unit for the ionic compound, barium oxide, consists of which of the following?
? 1 Ba2+ ion and 1 O2- ion
? 2 Ba+ ions and 1 O2- ion
? 1 Ba2+ ion and 2 O- ions
? 1 Ba2- ion and 1 O2+ ion
? 1 Ba+ ion and 1 O- ion
1 answer