Which statement about niels bohr’s atomic model is true? higher orbits have lower energies. each orbit has a specific energy level. electrons can exist in any energy level. orbits close to the nucleus have no energy.\

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound