Write a balanced chemical equation for calcium carbonate and water

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?

How many grams of sodium chloride are in 250ml of a 2.5m naci solution