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WorksheetsAtomic Theory Review
Total questions: 48
Worksheet time: 18mins
Name
Class
Date
1.
This scientist performed the Cathode Ray Tube experiment and proposed the Plum Pudding Model of the atom.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Democritus
2.
This scientist discovered the nucleus.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Democritus
3.
This scientist discovered the electron.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Democritus
4.
This scientist determined the mass and charge of the electron.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Robert Millikan
5.
His model of the atom is referred to as the Nuclear atom.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Robert Millikan
6.
This scientist performed the Oil Drop Experiment.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Robert Millikan
7.
This scientist proposed the Atomic Theory.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Robert Millikan
8.
The Greek philosopher who was the first to use the term "atomos" to describe the smallest particle of matter.
a)
John Dalton
b)
J.J. Thomson
c)
Ernest Rutherford
d)
Democritus
9.
Ernst Rutherford discovered which part of the atom through the use of gold foil?
a)
Proton
b)
Neutron
c)
Electron
d)
Orbitals
10.
How did Rutherford discover the proton?
a)
Cathode tube ray experiment
b)
Gold Foil Experiment
c)
Planetary Model
d)
Plum Pudding Model
11.
Who stated that all atoms of the same element are excactly alike?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Borh
12.
What scientist first developed 4 rules for atomic theory, and helped kick start modern chemistry?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
13.
What contribution did John Dalton make to atomic theory?
a)
He discovered that every atom was positively charged.
b)
He discovered that every element consisted of one type of atom.
c)
He discovered that atoms had nuclei.
d)
He discovered that atoms could be divided into smaller parts.
14.
Place the following scientists in order, from earliest to latest:
A) Ernest Rutherford
B) J.J. Thomson
C) John Dalton
A) Ernest Rutherford
B) J.J. Thomson
C) John Dalton
a)
B,C,A
b)
C,A,B
c)
A,C,B
d)
C,B,A
15.
John Dalton modeled the atom as a...
a)
tiny solid sphere, with a known mass
b)
a hollow sphere
c)
a marble in the middle of a stadium
d)
planets orbiting around a star
16.
J.J. Thomson provided evidence that an atom...
a)
is the smallest particle of matter
b)
contains negatively charged particles
c)
has an overall negative charge
d)
has an overall positive charge
17.
Rutherford's gold foil experiment provided evidence that...
a)
negative and positive charges are spread evenly throughout the atom.
b)
alpha particles have a positive charge.
c)
gold is not a dense as previously thought.
d)
there is a dense positively charged nucleus at the center of an atom.
18.
What was the name of JJ Thompson's experiment?
a)
Cathode Ray Tube
b)
Gold Foil Experiment
c)
Gas Manipulation
d)
Oil Drop
19.
What did Millikan discover?
a)
Negative charge of electrons
b)
Concept of an atom
c)
Electrons
d)
Theory of Relativity
20.
Which scientist experiment is called the "Oil Drop"?
a)
Millikan
b)
Democritus
c)
De Broglie
d)
Planck
21.
What did James Chadwick discover?
a)
neutrons
b)
electrons
c)
the atomic theory
d)
protons
22.
What did JJ Thompson discover?
a)
Electrons
b)
Atoms
c)
Radiation
d)
Color
23.
Made the "Plum Pudding" model.
a)
Rutherford
b)
Dalton
c)
Thomson
d)
Chadwick
24.
Said that atoms are tiny, solid, balls.
a)
Democritus
b)
Rutherford
c)
Bohr
d)
Thomson
25.
Who came up with the first concept of the atom?
a)
Democritus
b)
Dalton
c)
Rutherford
d)
Shrodinger
26.
Conducted the "gold foil" experiment.
a)
Modern Scientists
b)
Dalton
c)
Bohr
d)
Rutherford
27.
Discovered the nucleus
a)
Rutherford
b)
Chadwick
c)
Bohr
d)
Dalton
28.
Who discovered the neutron?
a)
Dalton
b)
Chadwick
c)
Thomson
d)
Bohr
29.
The Bohr model can also be called the
a)
Quantum Mechanical Model
b)
Billiard Ball Model
c)
Planetary Model
d)
Plum Pudding Model
30.
Which scientist proposed the idea that electrons orbit the nucleus?
a)
Bohr
b)
Dalton
c)
Rutherford
d)
Thomson
31.
Which scientist emitted alpha particles at gold foil for his experiment?
a)
Dalton
b)
Bohr
c)
Rutherford
d)
Thomson
32.
Rutherford discovered this subatomic particle after he noticed a large, positively charged area in the center of the atom
a)
Proton
b)
Neutron
c)
Electron
33.
Chadwick discovered which subatomic particle
a)
Proton
b)
Neutron
c)
Electron
34.
Thomson discovered which subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
35.
The model of the atom that scientists use today is?
a)
Billiard Ball Model
b)
Plum Pudding Model
c)
Quantum mechanical model
36.
Which is the correct sequence of the scientists who made major changes in the model of the atom?
1-JJ Thomson
2-Erwin Schrodinger
3-John Dalton
4-Niels Bohr
5-Ernest Rutherford
1-JJ Thomson
2-Erwin Schrodinger
3-John Dalton
4-Niels Bohr
5-Ernest Rutherford
a)
2, 1, 4, 3, 5
b)
3, 1, 5, 4, 2
c)
5, 3, 2, 1, 4
d)
4, 3, 2, 1, 5
37.
Which of the following is proposed by Erwin Schrodinger?
a)
Solar system model of the atom
b)
Plum pudding model of the atom
c)
Billiard ball model of the atom
d)
Electron cloud model of the atom
38.
He proposed the "muffin" or "plum pudding model of the atom.
a)
John Dalton
b)
Niels Bohr
c)
Ernest Rutherford
d)
JJ Thomson
39.
He proposed the atomic theory of the atom.
a)
John Dalton
b)
JJ Thomson
c)
Niels Bohr
d)
Ernest Rutherford
40.
Which word would closely define the term "atomos"?
a)
Incredible
b)
Indivisible
c)
Indelible
d)
Independent
41.
Who discovered the nucleus of an atom?
a)
JJ Thomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
42.
Ernest Rutherford discovered that the atom is
a)
Composed of mostly empty space with negative electrons surrounding a positive nucleus
b)
A highly dense sphere of positive
c)
A highly dense sphere of a negative space
d)
Composed mostly of empty space with positive electrons surrounding a negative nucleus
43.
J.J. Thompson discovered the ____________. His model is called the plum pudding model which we sometimes call the chocolate chip model.
a)
proton
b)
electron
c)
neutron
d)
nucleus
44.
Who came up with this model of an atom?
a)
J.J. Thompson
b)
Ernest Rutherford
c)
Neils Bohr
d)
James Chadwick
45.
Niels Bohr suggested that electrons.......
a)
are found in specific orbits
b)
electrons are scattered throughout the atom
c)
electrons move according to their energy level
d)
electrons are positive
46.
the cloud theory states that .....
a)
protons exist in a could like region and move according to their energy level
b)
neutrons exist outside the nucleus in a cloudlike region
c)
electrons move in orbits in a cloudlike region
d)
electrons exist in a cloudlike region and their movement is related to their energy level
47.
What can you conclude from the fact that scientists continue to update the atomic model?
a)
New information about atoms continues to be discovered
b)
Old information about atoms is completely useless
c)
Scientists did not have any information about atoms until a few years ago
d)
Scientists still have no idea what atoms look like
48.
Erwin Schrodinger said this about electrons:
a)
Electrons have a negative charge and a mass of 1 amu
b)
Electrons have a negative charge and a mass of close to 0 amu
c)
Electrons are both particles and waves at the same time
d)
Electrons orbit theucleus of an atom
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