When Arti kicks a football, two forces interact. Arti's foot exerts a force of 5N on the ball. What size force will be exerted on Arti's foot?

If you want to create an electrical current, which situation would produce a solution capable of this

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

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?