Atomic Theory

Front

Which scientist saw the atom as a solid sphere? Options: Dalton, Thomson, Rutherford, Bohr

Back

Dalton

Front

What subatomic particle has a negative charge and is found outside of the nucleus?

Back

Electron

Front

Which subatomic particle has a positive charge and is found inside the nucleus?

Back

Proton

Front

Which subatomic particle has a neutral charge and is found inside the nucleus?

Back

Neutrons

Front

Who was the first person to study atomic theory?

Back

Democritus

Front

Who proposed that the atom consists mostly of empty space? Options: Bohr, Dalton, Rutherford, Chadwick

Back

Rutherford

Front

Order of scientists related to atomic theory from earliest to most recent: Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

Back

Democritus, John Dalton, JJ Thomson, Ernest Rutherford.

Front

What was James Chadwick's most notable discovery?

Back

The nucleus contains neutrons.

Front

Who's model is this? Options: Thomson, Rutherford, Democritus, Bohr

Back

Thomson

Front

Explain how the Rutherford gold foil experiment correctly advanced atomic theory away from the plum pudding model.

Back

It proved the positive charge is concentrated in a relatively small region of the atom.