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Worksheetshistory of the atom
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
Who discovered the electron
a)
Rutherford
b)
Thomson
c)
Millikan
d)
Dalton
2.
Who accidently discovered radiation?
a)
Becquerel
b)
Millikan
c)
Chadwick
d)
Rutherford
3.
Developed an atomic theory of matter.
a)
Chadwick
b)
Millikan
c)
Rutherford
d)
Dalton
4.
Used cathode rays to experiment with atoms.
a)
Rutherford
b)
Dalton
c)
Thomson
d)
Millikan
5.
The scientist that discovered a positive center of an atom.
a)
Millikan
b)
Rutherford
c)
Dalton
d)
Thomson
6.
Used alpha particles to discover the nucleus
a)
Thomsan
b)
Becquerel
c)
Millikan
d)
Rutherford
7.
Theory of the atom believed electrons orbited the nucleus
a)
Bohr
b)
Thomson
c)
Millikan
d)
Rutherford
8.
This model of the atom described atoms as tiny spheres that could not be broken down into smaller pieces.
a)
Dalton's model of the atom
b)
The "Plum Pudding Model" of the atom
c)
The Nuclear Model
d)
The Bohr Model
9.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
10.
What Greek philosopher first spoke about the idea of an atom?
a)
Democritus
b)
Dalton
c)
Thompson
d)
Rutherford
11.
Who is the scientist who proposed the "solar system" model of an atom where the electrons orbit around the nucleus?
a)
Democritus
b)
Niels Bohr
c)
Ernest Rutherford
d)
Chadwick
12.
Who performed the Gold Foil Experiment?
a)
J. J. Thomson
b)
Ernest Rutherford
c)
Neils Bohr
d)
John Dalton
13.
Which model is this?
a)
Thomson Model
b)
Cloud Model
c)
Bohr Model
d)
Rutherford Model
14.
Whose atomic model is this
a)
Bohr
b)
Democritus
c)
Rutherford
d)
Thomson
15.
According to the Bohr Model, electrons are only found in specific orbits around the nucleus called __________________________
a)
Energy Levels
b)
Electron Lanes
c)
Electron Places
d)
Atomic Mass
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