Atomic Theory Timeline

Front

Who discovered the electron?

Back

Thomson

Front

What did Rutherford discover in his experiment?

Back

nucleus

Front

In which model are atoms imagined as tiny, solid spheres?

Back

Dalton

Front

Who proposed a model with electrons moving in specific layers?

Back

Bohr

Front

What does "atom" mean?

Back

Indivisible

Front

Who is 'responsible' for the "2000-year death of Chemistry"? Options: Aristotle, Democritus, Thomson, Dalton

Back

Aristotle

Front

Rutherford's "gold-foil" experiment using alpha particle scattering concluded that...

Back

most of the atom is empty

Front

In which model are atoms imagined as the solar system? Options: Dalton, Thomson, Bohr, Rutherford, Cloud model

Back

Bohr