

The History of Atomic Theory
Presentation
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Science
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6th - 8th Grade
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Practice Problem
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Medium
Standards-aligned
Pedro Rodriguez
Used 9+ times
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4 Slides • 5 Questions
1
The History of Atomic Theory

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5
Multiple Choice
The root word “di” means “two,” so the word “diatomic” refers to _____.
forces within the atom
a molecule with two atoms
negatively-charged electrons
positively-charged protons
6
Multiple Choice
In paragraph 2, attraction and repulsion refer to _____.
electric and magnetic fields
atomic theories
tiny particles
solid atoms
7
Multiple Choice
How did Ernest Rutherford's experiment relate to J.J. Thomson's work?
Rutherford looked for magnetic fields, while Thomson looked for electric fields.
Rutherford repeated Thomson's experiment and confirmed the results.
Rutherford tested a conclusion based on Thomson's results.
Rutherford had not known about Thomson's experiment.
8
Multiple Choice
Which scientist discovered the neutron and gave us the current basic model of the atom?
James Maxwell
John Dalton
James Chadwick
Sir Isaac Newton
9
Multiple Choice
What contribution did J.J. Thomson make to the development of atomic theory?
said that atoms are solid masses
showed that electrons surround a dense nucleus
found that atoms are made of smaller particles
proposed that atoms contain electric fields
The History of Atomic Theory

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