History of Atomic Models
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Assessment
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Sakinah Ellickson
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Chemistry
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9th Grade
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446 plays
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Medium
Student preview
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15 questions
Show answers
1.
Multiple Choice
Whose model suggested that negative particles were mixed in with positively charged material - like seeds in a watermelon?
J.J. Thomson
Ernest Rutherford
Niels Bohr
Albert Einstein
2.
Multiple Choice
Who discovered that the atom had an small, dense, positively charged center?
Ernest Rutherford
J.J Thomson
Robert Millikan
John Dalton
3.
Multiple Choice
Place the following atomic models in order, from earliest to latest:
A) Rutherford B) Thomson C) Dalton
B, C, A
C, A, B
A, C, B
C, B, A
4.
Multiple Choice
New information about atoms continues to be discovered
Old information about atoms is completely useless
Scientists did not have any information about atoms until a few years ago
Scientists still have no idea what atoms look like
5.
Multiple Choice
Who named the positive center of the atom the "nucleus?"
Democritus
Dalton
Thomson
Rutherford
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