3.2 The Structure of the Atom

Who discovered the electron

• Rutherford

• Thomson

• Millikan

• Dalton

Used cathode rays to experiment with atoms.

• Rutherford

• Dalton

• Thomson

• Millikan

The scientist that discovered a positive center of an atom.

• Millikan

• Rutherford

• Dalton

• Thomson

Tags

NGSS.HS-PS1-8

Used alpha particles to discover the nucleus

• Thomsan

• Becquerel

• Millikan

• Rutherford

Tags

NGSS.HS-PS1-8

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Thomson

• Ernest Rutherford

• John Dalton

• Democritus

Who performed the Gold Foil Experiment?

• J. J. Thomson
• Ernest Rutherford
• Neils Bohr
• John Dalton

Tags

NGSS.HS-PS1-8

Which model is this?

• Thomson Model
• Cloud Model
• Bohr Model
• Rutherford Model

Tags

NGSS.MS-PS1-1

What is a particle with one negative charge called?

• electron

• proton

• quark

• neutron

Tags

NGSS.MS-PS2-3

The smallest particle of an element that still represents that element.

• Nucleus

• electron

• proton

• atom

Which one of the following parts of the atom is the smallest?

• proton

• electron

• nucleus

• neutron