Consider the hypothetical dioxygen superoxide O2+ O2-. If this compound did exist, what would be the electronic structure of the ions? Discuss bond orders, bond lengths, and unpaired electrons

Answer the air near the ground cools to its dew point

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.