Atomic Model - Test 2

Which scientist developed the atomic theory?

• JJ Thomson
• Ernest Rutherford
• John Dalton
• James Chadwick

John Dalton stated:

• all matter is composed of atoms

• atoms = solid sphere, can't be created, divided, or destryed (Law of conservation of mass)

• atoms combine is simple whole # ratiois

• Compounds form by combining atoms.

• Atoms are separated, combined, or rearranged - chemical reaction

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Which of the below is known for the "Billiard Ball Model?"

• Dalton

• Thomson

• Rutherford

• Bohr

Which of the below is known for the "chocolate chip cookie model?"

• Dalton

• Thomson

• Rutherford

• Bohr

Which of the below believed that there was a positively charged sphere with electrons randomly embedded in the sphere?

• Dalton

• Thompson

• Rutherford

• Bohr

Which of the below came up with an experiment to determine nature of cathode ray, doscovered electron, and determined charge to mass ratio of electrons?

• Dalton

• Thompson

• Rutherford

• Bohr

What is this a picture of?

This showed that electrons are ____ by a ____ charged rod and that electrons are attracted to a ____ charged rod.

• Cathod Ray Tube

  negatively

  positively

• Cathode Ray Tube

  positively

  negatively

• Chemistry tube

  negatively

  positively

• Cemistry tube

  positively

  negatively

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Which of the below claimed that the atom had a dense, positively charged nuclues and that electrons randomly scattered outside the nucleus?

• Dalton

• Thompson

• Rutherford

• Bohr

Which of the below stated that electrons move in orbits around the nucleus like a solar system?

• Dalton

• Thompson

• Rutherford

• Bohr

This scientist won the Nobel prize for his "investigation of the structure of atoms and the radiation that comes from them?"

• Dalton

• Thompson

• Rutherford

• Bohr

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