Atomic Theory

Front

Electrons orbit a certain distance from the nucleus. Either radiate or absorb energy when jumping orbitals.

Back

Bohr

Front

The atom is mostly large empty space with a small, dense nucleus at the center

Back

Rutherford

Front

Atom is a positively charged cloud with embedded negative electrons

Back

Thomson

Front

Atoms are indivisible (cannot be broken down)

Back

Dalton

Front

What scientist proposed this atomic model?

Back

Bohr

Front

What scientist proposed this atomic model?

Back

Rutherford

Front

What scientist proposed this atomic model? Options: Dalton, Thomson, Rutherford, Bohr

Back

Thomson

Front

What scientist proposed this atomic model?

Back

Dalton

Front

Conclusion from Rutherford's gold foil experiment

Back

The nucleus is very small and the atom is mostly empty space

Front

What subatomic particle was discovered in the cathode ray tube experiment?

Back

Electron