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Chapter 11 Test
By Craig Fisher
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Last updated over 8 years ago
50 questions
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Question 1
1.
Question 2
2.
Question 3
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Question 4
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Question 5
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Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Question 46
46.
Question 47
47.
Question 48
48.
Question 49
49.
Question 50
50.
What would happen to a nucleus containing two or more protons if the strong nuclear force were absent?
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
What particle did J.J. Thompson discover?
A neutron
B electron
C atom
D proton
How would you describe the nucleus?
A Dense, positively charged
B Large, positively charged
C Tiny, negatively charged
D Dense, negatively charged
Where are electrons likely to be found?
A the nucleus
B electron clouds
C mixed throughout an atom
D paths, or energy levels
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
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
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
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
Which of the following has the least mass?
A nucleus
B proton
C neutron
D electron
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
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
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
What element and isotope results from the combination of two Be-10 isotopes?
A CO2
B Be-20
C O-20
D H2SO4
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
In an atom, which has the least mass?
A nucleus
B proton
C neutron
D electron
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
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
What is the meaning of atom?
A Dividable
B Invisible
C Hard particles
D not able to be divided
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
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
According to Rutherford, what was in the center of an atom?
A an electron
B a nucleus
C a particle
D a proton
Which phrase describes radioactive isotopes?
A They are stable
B They never change
C They are unstable
D They don't produce energy
The discovery of which particle proved that the atom is NOT indivisible?
A Nucleus
B Proton
C Neutron
D Electron
Who proposed this new model of an atom?
A Bohr
B Thomson
C Rutherford
D Democritus
The raised surfaces show?
A protons
B electrons
C neutrons
D isotopes
Particle that cannot be cut
A
B
C
D
E
F
G
H
I
J
Negatively charged particle discovered by Thomson
A
B
C
D
E
F
G
H
I
J
Central region of the atom
A
B
C
D
E
F
G
H
I
J
Region where electrons are likely to be found
A
B
C
D
E
F
G
H
I
J
Particle in the center of an atom that has no charge
A
B
C
D
E
F
G
H
I
J
Subatomic particle that has a positive charge
A
B
C
D
E
F
G
H
I
J
A unit of mass that describes the mass of an atom or molecule
A
B
C
D
E
F
G
H
I
J
The number of protons in the nucleus of an atom
A
B
C
D
E
F
G
H
I
J
Atom that has the same number of protons but different numbers of neutrons
A
B
C
D
E
F
G
H
I
J
The sum of protons and neutrons in an atom
A
B
C
D
E
F
G
H
I
J
Which letter refers to the particle with no charge?
A
B
C
D
Which letter refers to the proton?
A
B
C
D
Which letter refers to the particle with a negative charge?
A
B
C
D
Which letter refers to the nucleus?
A
B
C
D
