What is the definition of a chemical bond?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

How many atoms are there in 5.70 mol of mg

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.