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WorksheetsA1
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
Who was the first person to study atomic theory?
a)
Dalton
b)
Democritus
c)
Chadwick
d)
Miller
2.
True or False? John Dalton believed that moving electrons exist in electron clouds around the nucleus.
a)
False
b)
True
3.
Which scientist saw the atom as a solid sphere?
a)
Ernest Rutherford
b)
Niels Bohr
c)
John Dalton
d)
J.J. Thomson
4.
One of Dalton's conclusions concerning his atomic theory was that all atoms of the same element are -
a)
combined
b)
different
c)
reacted
d)
the same
5.
Which scientist proposed a model of the atom in which the individual atoms were thought of as tiny solid like balls or spheres?
a)
James Chadwick
b)
John Dalton
c)
Ernest Rutherford
d)
J.J. Thomson
6.
This scientist was credited with forming the Atomic Theory, which states that element are made of extremely small particles called atomos.
a)
Niels Bohr
b)
John Dalton
c)
Ernest Rutherford
d)
J.J. Thomson
7.
Believed that all atoms of the same element would be the same.
a)
John Dalton
b)
JJ Thomson
c)
Niels Bohr
d)
Modern Atomic Theory
8.
Believed that atoms are small, hard particles that were "indivisible"
a)
Democritus
b)
Aristotle
c)
Schrodinger
d)
Greek Philosophers
9.
Believed that all atoms of the same element would be the same.
a)
John Dalton
b)
JJ Thomson
c)
Niels Bohr
d)
Modern Atomic Theory
10.
John Dalton was wrong when he said that...?
a)
atoms are the building blocks of matter
b)
atoms cannot be created or destroyed
c)
all atoms of the same element are identical
d)
both b & c
11.
The smallest particle of an element that still retains all the properties of that element.
a)
atom
b)
cathode ray
c)
electron
d)
compound
12.
The person that coined the term "atom"
a)
John Dalton
b)
Democritus
c)
Einstein
d)
Aristotle
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