23. In which compounds are pairs of electrons shared between atoms? 1
methane
2
lead bromide
3
sodium chloride
A 1 only
B 2 only
с
1 and 3
D
1, 2 and 3

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.