NATS 1870 Lecture Notes - Lecture 5: Bohr Model, H-Alpha, Photon
4 Jun 2019
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Lecture 5, light as a particle & interaction with matter. Universe is made of either energy or matter: matter is made of atoms, and atoms have a nucleus in the middle. We will use an approximation where electrons are stuck in orbitals they move in, and those orbitals are all around the nucleus as if it was the sun. Hydrogen atom: 1 electron, 1 proton, and the most common version of hydrogen doesn"t have a neutron at all, it has bohr orbitals that the electron can exist in, depending on its energy state. As you go up in orbitals the overall energy the atom has increases: atom"s want to be in the lowest possible energy state. This is because of the attraction between the positive proton and the native electron. As you go further away from the nucleus the orbitals get closer and closer to each other.
