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Chapter 11 Test
By Craig Fisher
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Last updated almost 8 years ago
50 questions
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Question 1
1.
The smallest particle into which an element can be divided and still be the same substance is called a(n)?
A nucleus
B electron
C atom
D neutron
Question 2
2.
What particle did J.J. Thompson discover?
A neutron
B electron
C atom
D proton
Question 3
3.
How would you describe the nucleus?
A Dense, positively charged
B Large, positively charged
C Tiny, negatively charged
D Dense, negatively charged
Question 4
4.
Where are electrons likely to be found?
A the nucleus
B electron clouds
C mixed throughout an atom
D paths, or energy levels
Question 5
5.
Dalton believed that...
A atoms of the same element are exactly alike.
B most substances are made of atoms
C atoms of different elements are the same
D atoms can be divided
Question 6
6.
What did Democritus, Dalton, Thompson, Rutherford, and Bohr all have in common?
A They each identified new elements
B They each identified new isotopes of atoms
C They each contributed to the development of the atomic theory
D They each conducted experiments in which particles collided
Question 7
7.
In Thompson's "plum-pudding" (our chocolate chip cookie dough) model of the atom, the plums (chocolate chips) represent
A atoms
B protons
C neutrons
D electrons
Question 8
8.
An atom of gold with 79 protons, 79 electrons, and 118 neutrons would have a mass number of
A 39
B 158
C 197
D 276
Question 9
9.
Which of the following has the least mass?
A nucleus
B proton
C neutron
D electron
Question 10
10.
If an isotope of uranium, uranium-235, has 92 protons, how many protons does uranium- 238 have?
A 92
B 95
C 143
D 146
Question 11
11.
How did Democritus describe atoms?
A large, soft particles
B dividable particles
C small, hard particles
D a single material with one size and shape
Question 12
12.
Calculate the atomic mass of gallium, which consists of 60% gallium-69 and 40% gallium-71.
A 16.9 amu
B 87.3 amu
C 140 amu
D 69.8 amu
Question 13
13.
What element and isotope results from the combination of two Be-10 isotopes?
A CO2
B Be-20
C O-20
D H2SO4
Question 14
14.
An atom of carbon with 6 protons, 6 electrons and 6 neutrons would have a mass number of?
A 6
B 18
C 12
D 15
Question 15
15.
In an atom, which has the least mass?
A nucleus
B proton
C neutron
D electron
Question 16
16.
Which was one of Dalton's ideas?
A All substances are made of atoms
B Atoms can be divided
C Atoms can be destroyed
D Most substances are made of atoms
Question 17
17.
What took place in the late 1880's?
A Dalton created a new atom theory
B Dalton disproved his theory
C Dalton's theory was proved
D Dalton's theory was changed
Question 18
18.
What is the meaning of atom?
A Dividable
B Invisible
C Hard particles
D not able to be divided
Question 19
19.
Which statement about atoms is true?
A A penny has about 20,000 atoms
B Aluminium has large atoms
C A penny has more atoms than Earth has people
D Aluminium atoms have a diameter of about 3 cm
Question 20
20.
Which statement about isotopes is true?
A The have the same number of protons
B they have the same number of neutrons
C They have a different atomic number
D The have the same mass
Question 21
21.
According to Rutherford, what was in the center of an atom?
A an electron
B a nucleus
C a particle
D a proton
Question 22
22.
Which phrase describes radioactive isotopes?
A They are stable
B They never change
C They are unstable
D They don't produce energy
Question 23
23.
The discovery of which particle proved that the atom is NOT indivisible?
A Nucleus
B Proton
C Neutron
D Electron
Question 24
24.
Who proposed this new model of an atom?
A Bohr
B Thomson
C Rutherford
D Democritus
Question 25
25.
The raised surfaces show?
A protons
B electrons
C neutrons
D isotopes
Word Bank for Questions 26 - 28
atom, atomic number, nucleus, atomic mass proton, isotope, electron, electron cloud, neutron
Question 26
26.
A positively charged particle in the nucleus of an atom is called a(n)
Word Bank for Questions 26 - 28
atom, atomic number, nucleus, atomic mass, proton, psotope, electron, electron cloud, neutron
Question 27
27.
An atom of an element that has the same number of protons but different numbers of neutrons is called a(n)
Word Bank for Questions 26 - 28
atom, atomic number, nucleus, atomic mass, proton, isotope, electron, electron cloud, neutron
Question 28
28.
The smallest particle into which an element can be divided and still be the same substance is a(an)
Word Bank for Question 29
electrons, electron cloud, nucleus, atoms, isotopes, protons
Question 29
29.
All substances are made of
Word bank for Question 30
strong, gravitational, electromagnetic, weak
Question 30
30.
Objects are pulled toward one another by ___________ force
Word Bank for Questions 31 - 33
Electron, atoms, isotopes, protons, forces, electron clouds, neutrons
Question 31
31.
Twentieth - Century scientists believe electrons are found in regions called ______
Word Bank for Questions 31 - 33
Electron, atoms, isotopes, protons, forces, electron clouds, neutrons
Question 32
32.
The pushes and pulls between objects are called ______
Word Bank for Questions 31 - 33
electron, atoms, isotopes, protons, forces, electron clouds, neutrons
Question 33
33.
Because the mass of an _________ is so small, it is usually thought of as almost zero.
Word Bank for Questions 34 - 35
nucleus, mass number, atom, atomic number,ion
Question 34
34.
A charged particle is called a(n) _________
Word Bank for Questions 34 - 35
nucleus, mass number, atom, atomic number, ion
Question 35
35.
All atoms of an element have the same
Matching Questions 36-45
A. atomic number B. nucleus C. electron cloud D. mass number E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 36
36.
Particle that cannot be cut
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 37
37.
Negatively charged particle discovered by Thomson
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 38
38.
Central region of the atom
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 39
39.
Region where electrons are likely to be found
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 40
40.
Particle in the center of an atom that has no charge
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 41
41.
Subatomic particle that has a positive charge
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 42
42.
A unit of mass that describes the mass of an atom or molecule
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 43
43.
The number of protons in the nucleus of an atom
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. Atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 44
44.
Atom that has the same number of protons but different numbers of neutrons
A
B
C
D
E
F
G
H
I
J
Word Bank (Matching 36-45)
A. atomic number
B. nucleus
C. electron cloud
D. mass number
E. Isotope
F. neutron
G. atom
H. electron
I. atomic mass unit (amu)
J. proton
Question 45
45.
The sum of protons and neutrons in an atom
A
B
C
D
E
F
G
H
I
J
Question 46
46.
Which letter refers to the particle with no charge?
A
B
C
D
Question 47
47.
Which letter refers to the proton?
A
B
C
D
Question 48
48.
Which letter refers to the particle with a negative charge?
A
B
C
D
Question 49
49.
Which letter refers to the nucleus?
A
B
C
D
Question 50
50.
What would happen to a nucleus containing two or more protons if the strong nuclear force were absent?
