Atomic Theory History

Atomic Theory History

12th Grade

10 Qs

quiz-placeholder

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Atomic Theory History

Atomic Theory History

Assessment

Quiz

Physics

12th Grade

Hard

Created by

ANN SMITH

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who proposed that electrons orbited the nucleus in circular orbits?

J.J. Thomson

Ernest Rutherford

Niels Bohr

Max Planck

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who used cathode rays to discover the electron in 1897?

J.J. Thomson

Ernest Rutherford

Niels Bohr

Max Planck

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who discovered the neutron in 1932?

J.J. Thomson

Ernest Rutherford

Niels Bohr

James Chadwick

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who coined the term "atom" and believed the atom was an indivisible sphere?

Democritus

Ernest Rutherford

Niels Bohr

Max Planck

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who used quantum numbers to describe the location of electrons in a 3-D atomic model?

J.J. Thomson

Ernest Rutherford

Niels Bohr

Werner Heisenberg

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who concluded that atoms had a dense, positively charged inner core called a nucleus?

J.J. Thomson

Ernest Rutherford

Niels Bohr

Max Planck

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who proposed five postulates about the atom?

Democritus

Ernest Rutherford

Niels Bohr

Max Planck

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