-
John Dalton pictures atoms as tiny, indestructible particles, with no internal structure
-
J.J. Thompson discovers the electron which later leads to his "plum pudding" model.
-
Japanese physicist suggests that an atom has a central nucleus. Electrons move in orbits like the rings around saturn
-
Rutherford finds that an atom has a small, dense, positively charged nucleus
-
The electron moves in a circular orbit at fixed distances from the nucleus
-
Moving particles like electrons have some properties of waves.
-
Erwin develops mathematical equations to describe the motion of electrons in atoms.
-
confirms existence of neutrons.
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.