Atomic History

Front

Which scientist was the first person responsible for proposing the idea of atoms?

Back

Democritus

Front

Which scientist was the first person responsible for proposing the discovery of the electron?

Back

J.J. Thomson

Front

Which scientist was the first person responsible for proposing the discovery of the nucleus?

Back

Ernest Rutherford

Front

Which scientist claimed that the atom was a small, dense, solid sphere?

Back

John Dalton

Front

Which scientist's model is referred to as the Plum Pudding Model?

Back

J.J. Thomson

Front

Which scientist's model is referred to as the Planetary model? Options: Democritus, John Dalton, Ernest Rutherford, J.J. Thomson, Niels Bohr

Back

Niels Bohr

Front

Which scientist proposed the idea that the electrons orbited the nucleus on fixed paths with designated energies?

Back

Niels Bohr

Front

Which scientist proposed that the atom was indivisible using the word "atomos"?

Back

Democritus

Front

Which model of the atom is the most up to date model?

• The Billiard Ball Model
• The Plum Pudding Model
• The Planetary Model
• The Wave Mechanical Model
• The Nuclear Model

Back

The Wave Mechanical Model

Front

Which model of the atom describes the location of electrons as probable within a dense "cloud" surrounding the nucleus of an atom?

Back

The Wave Mechanical Model