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models of atoms 9.4

Authored by Michael Greenhouse

Science

8th Grade

NGSS covered

Used 2+ times

models of atoms 9.4
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34 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Tags

NGSS.HS-PS1-3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Ernest Rutherford

J.J Thomson

Robert Millikan

John Dalton

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Democritus

Dalton

Thomson

Rutherford

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which scientists believed an atom was indivisible? (Choose all correct responses.)

Democritus

Dalton

Thomson

Rutherford

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientist discovered that the atom has parts - which means it can be divided?

Democritus

Dalton

Thomson

Rutherford

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Democritus

Dalton

Thomson

Rutherford

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the atomic model nicknamed the "plum pudding" model, what do the plums represent?

the nucleus

the atom

the electrons

the positive material

Tags

NGSS.MS-PS1-1

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