Discovery of the Atom

Who's model of the atom is similar to the planets in the solar system, where electrons move in specific layers?

• Thomson

• Bohr

• Dalton

• Aristotle

Who's theory concluded that the atoms of different elements are different from each other?

• Dalton

• Thomson

• Rutherford

• Bohr

What is a particle with one positive charge called?

• proton

• electron

• neutron

• quark

What is the center of an atom called?

• nucleus

• electron cloud

• proton center

• photon center

Tags

NGSS.HS-PS1-8

Whose model is in the picture displayed?

• Thomson

• Dalton

• Modern

• Rutherford

Tags

NGSS.MS-PS1-1

Who discovered the electron

• Rutherford

• Thomson

• Millikan

• Dalton

Theory of the atom believed electrons orbited the nucleus

• Bohr

• Thomson

• Millikan

• Rutherford

Who discovered the Electron?

• Thomson

• Rutherford

• Bohr

• Democritus

What was Thomson's atomic model commonly called?

• plum pudding model

• electron cloud model

• wooden sphere model

• planetary model

The plum pudding model was proposed by _________

• Rutherford

• J J Thomson

• Dalton

• Joseph Proust