by johnathan Stephens
John Dalton pictured atoms as tiny, indestructible particles, with no internal structure
A british scientist who discovered the electron which led to the creation of the plum pudding model
He suggested that an atom has a central nucleus and the electrons move in orbits like Saturn's rings
He stated that an atom has a dense, positively charged nucleus and that electrons move randomly around the nucleus
In his model, the elections move in spherical orbits at fixed distances from the nucleus
1924- Louis de Broglie
He proposed that moving particles like electrons have some properties of waves.
1926- Erwin Schrodinger
He developed mathematical equations to describe the motion of electrons in atoms
He confirms the existence of neutrons,which have no charge.