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Models of the Atom Review

Models of the Atom Review

Assessment

Flashcard

7th - 8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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20 questions

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1.

FLASHCARD QUESTION

Front

Whose model suggested that negative particles were mixed in with positively charged material - like seeds in a watermelon?

Media Image

Back

J.J. Thomson

2.

FLASHCARD QUESTION

Front

Who discovered that the atom had a small, dense, positively charged center?

Back

Ernest Rutherford

3.

FLASHCARD QUESTION

Front

Place the following atomic models in order, from earliest to latest: A) Rutherford B) Thomson C) Dalton

Back

C, B, A

4.

FLASHCARD QUESTION

Front

What can you conclude from the fact that scientists continue to update the atomic model?

Back

New information about atoms continues to be discovered

5.

FLASHCARD QUESTION

Front

Who named the positive center of the atom the "nucleus?"

Back

Rutherford

6.

FLASHCARD QUESTION

Front

Which scientist believed that elements differed from one another because their atoms had different mass?

Back

Dalton

7.

FLASHCARD QUESTION

Front

Which scientist proposed a new atomic model after discovering the electron in 1897?

Back

Thomson

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