Plz help I have no more pints I just gave away 100

Compare and contrast the bohr model and the electron cloud models of the atom.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.