<P> Particle - like properties: </P> <Ol> <Li> The number of electrons orbiting the nucleus can only be an integer . </Li> <Li> Electrons jump between orbitals like particles . For example, if a single photon strikes the electrons, only a single electron changes states in response to the photon . </Li> <Li> The electrons retain particle - like properties such as: each wave state has the same electrical charge as its electron particle . Each wave state has a single discrete spin (spin up or spin down) depending on its superposition . </Li> </Ol> <Li> The number of electrons orbiting the nucleus can only be an integer . </Li> <Li> Electrons jump between orbitals like particles . For example, if a single photon strikes the electrons, only a single electron changes states in response to the photon . </Li>

The first energy level that can have f orbitals