What electron could have quantum numbers n = 4, l = 2, ml = -2, ms = -?

Why does a red shoe appear red in daylight

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp