Give the number of protons, neutrons and electrons in 99tc

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

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.