Development of Atomic Theory
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by Kimberly Roberson
| 10 Questions
Note from the author:
Atomic Theory
1
1
Describe Democritus's model of the atom
A the plum-pudding model
B a small solid sphere
C the planetary model
D the ball model
2
1
Click all that apply to Dalton's atomic theory
A atoms are indivisible
B all atoms of the same element are alike
C Compounds form when atoms of different elements combine
D atoms are the building blocks of all matter
all matter is made up of atoms
3
1
The Greek philosopher Democritus was one of the first to suggest the existence of atoms.
True
False
4
1
The word "atomos" is greek for _____________
5
1
What did J.J. Thomson discover?
A nucleus
B proton
C electron
D neutron
6
1
Check all that apply to J.J. Thomas's atomic theory
A discovered the electron
B discovered the neutron
C the plum-pudding model
D each atom was a square that was filled with positively charged fluid
electrons were known as plums while the pudding was positively charged
7
1
Which Scientist used the "Gold-Foil Experiment"
A Democritus
B Rutherford
C Aristotle
D Thomas
8
1
Explain Rutherfords experiment.

9
1
Who discovered the nucleus?
A Rutherford
B Thomas
C Democritus
D Dalton
10
1
In Rutherfords model, what is the charge of the nucleus?
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