A photon with enough energy, 8.16 x 10-19 J of energy, will eject an electron from a piece of gold! What frequency and wavelength does light with this energy have?

Which feature do highland climates have that lower elevation areas do not?

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

How many moles of al3+ ions are in 1.25 moles of al2o3