7-3 Differentiate oxidation number from charge

7-3-1. Which of the following is false?
A. The charge of mercury in mercury one is +1
B. The oxidation number of mercury in mercury one is +1
C. The charge of mercury in mercury two is +2
D. The oxidation number of mercury in mercury two is +2



7-3-2. Which of the following is false?
A. The charge of oxygen in carbon monoxide is -2
B. The oxidation number of oxygen in carbon monoxide is 2
C. The charge of oxygen in Magnesium Oxide is 2
D. The oxidation number of oxygen in magnesium oxide is -2