-
John Dalton pictures atoms as tiny, indestructible particles with no internal structure
-
J.J. Thomson discovers the electron. He pictures electrons embedded in a sphere of positive electrical charge.
-
Hantero Nagaoka suggest an atom has a central nucleus and electrons move in orbits.
-
Atom has a small, dense, positively charged nucleus. Electrons move around the nucleus.
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.