Hi! need !

im gonna post questions on here and confirm my answers

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.

How are the terms group and period used on the periodic table

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6