WorksheetsVocabulary #5 Scientist
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
Who was know as the father of modern atomic theory?
a)
Bohr
b)
Dalton
c)
Thompson
d)
Rutherford
2.
Thompson discovered what part of the atom?
a)
electron
b)
proton
c)
nuetron
3.
Who discovered the nucleus in 1908 & proved that the atom was mostly empty space?
a)
Dalton
b)
Thompson
c)
Rutherford
d)
Bohr
4.
In 1913, _________ hypothesized that electrons moved around the nucleus in an orbit like the planets.
a)
Bohr
b)
Rutherford
c)
Dalton
d)
Thompson
5.
The current model for the atomic theory is called the _________________.
a)
Electron Cloud
b)
Wave Model
6.
Who had the theory nicknamed the solar system?
a)
Bohr
b)
Rutherford
c)
Dalton
d)
Thomson
7.
What was the name of Dalton's theory?
a)
Billiard Ball
b)
Plum Pudding
c)
Solar System
d)
Gold Foil Exp.
8.
What subatomic particles has a positive charge?
a)
Nucleus
b)
Proton
c)
Electron
d)
Quark
9.
The number of protons in the nucleus is the same as the ________ _________.
a)
Atomic Mass
b)
Atomic Number
c)
Valance
10.
The Electron Cloud Theory states that
a)
nucleus made up of protons & neutrons
b)
electrons move about in energy levels
c)
All of the above
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