5. Which contains more atoms? Circle one for each letter. a. 12 g of hydrogen, H or 12 g of carbon, C
b. 27 g of aluminum, Al or 27 g of iron, Fe
c. 40 g of calcium, ca or 40 g of sodium, Na
d. 40 g of calcium, ca or 60 g of zinc, Zn
e. 10 g lithium, Li or 100 g of lead, Pb

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.