This lecture marks a key moment in Bohr’s scientific journey, coming shortly after he had developed his model of the atom, which had revolutionized the field of atomic physics. Here’s a ...

Therefore, electrons cannot be arranged at random, but they must have fixed levels of energy within each type of atom. Bohr's 'solar system' model of the atom is the way that most people think ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as ... Rutherford's model wasn't quite ...