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Chapter 4 Review Flashcards | StudBud
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Chapter 4 Review
Chapter 4 Review
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Chapter 4 review quiz
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Questions
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1
Which of the answers below describes the mass of each subatomic particle?
Proton (1 amu); Neutron (1 amu); Electron (0 amu)
Proton (1 amu); Neutron (1 amu); Electron (1 amu)
Proton (2 amu); Neutron (2 amu); Electron (1 amu)
Proton (1 amu); Neutron (1 amu); Electron (0.5 amu)
2
What is the correct order of philosophers/scientists covered in Chapter 4
Democritus, Dalton, Thomson, Rutherford
Democritus, Dalton, Rutherford, Thomson
Dalton, Democritus, Rutherford, Thomson
Dalton, Democritus, Thomson, Rutherford
3
Choose the best answer that describes the subatomic particles in an atom and their charges
Proton (-); Neutron (0); Electron (+)
Proton (+); Neutron (+); Electron (-)
Proton (0); Electron (+); Neutron (-)
Proton (+); Electron (-); Neutron (0)
4
An isotope of mercury has 80 protons and 120 neutrons. What is the mass number of the isotope?
40 amu
120 amu
9,600 amu
200 amu
5
What makes up most of the volume of an atom?
Protons
Empty space
Neutrons
Electrons
6
Silver has 2 naturally occurring isotopes (see table). Calculate the atomic mass.
108.00 amu
105.34 amu
107.87 amu
106.55 amu
7
In the image below, what does each number represent?
6 is the atomic mass, 3 is the number of neutrons
6 is the mass number; 3 is the atomic number
6 is the atomic number; 3 is the mass number
6 is the number of neutrons, 3 is the atomic mass
8
Whose work is credited with being the beginning of modern
atomic theory
?
Aristotle
John Dalton
Niels Bohr
J.J. Thomson
9
Chlorine's atomic number is 17 amu. If the mass number is 37 amu, how many neutrons are there?
37
27
17
20
10
Rutherford's biggest contribution to the atom was the...
neutron
proton
electron
nucleus
11
The charge of the nucleus is...
positive
negative
neutral
12
Of Dalton's ideas, which turned out to be incorrect?
Atoms of an element differ from atoms of another element
Matter is composed of tiny particles called atoms
Atoms are indivisible and indestructible
Chemical reactions result in atoms being rearranged
13
The average atomic mass is found using mass and...
volume
abundance
number of electrons
atomic number
14
Gallium (Ga), atomic mass 69.7 amu, has 2 isotopes (Ga-69, Ga-71). Which is more abundant?
Ga-71
Ga-69
15
The cathode ray was used by...
Thomson
Dalton
Democritus
Rutherford
16
What description is true about a nucleus?
It is large and has all the mass of the atom.
It is small and has hardly any mass.
It is small but has all the mass of the atom.
It is large but hardly has any mass.
17
How many electrons, protons, and neutrons are contained in the atom in the image?
Electrons: 92; protons: 92; Neutrons: 146
Electrons: 92; protons: 92; Neutrons: 238
Electrons: 146; protons: 92; Neutrons: 146
Electrons: 238; protons: 330; Neutrons: 330
18
What model of the atom called the "plum pudding model" was described by:
Democritus
J.J. Thomson
Ernest Rutherford
John Dalton
