Transcript Chapter 2 Review

Chapter 2 Review
Atomic Structure
Aristotle named atoms atoms.
A. True
B. False
In a neutral atom, the number of
protons is equal to the number of
neutrons.
A. True
B. False
Isotopes are forms of an element that
have the same number of protons but
a different number of electrons.
A. True
B. False
The mass of a neutron is
approximately equal to the mass of a
proton.
A. True
B. False
A proton is a subatomic particle
carrying a charge equal to but
opposite that of an electron.
A. True
B. False
In the visible light spectrum, red
light has a greater frequency than
violet light.
A. True
B. False
An element can be identified by the
characteristic bright-line atomic
emission spectrum it can produce.
A. True
B. False
The only subatomic particle that
does not carry an electric charge is
the _____.
A. proton
B.neutron
C.electron
D.nucleus
The atomic number of an element
whose atoms have 9 protons and
10 neutrons is _____.
A.9
B.19
C.10
D.18
The mass number of an element
whose atoms have 12 protons and
13 neutrons is _____.
A.12
B.25
C.13
D.12.5
One isotope of carbon has 6 protons
and 6 neutrons. The number of
protons and neutrons of a second
isotope of carbon would be _____.
A.7 and 6
B. 7 and 7
C. 6 and 7
D.6 and 6
Which of the following statements
is not a main point of Dalton's
atomic theory?
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A.All matter is made up of atoms.
B.Atoms are made up of smaller particles.
C.Atoms are indestructible.
D.All atoms of one element are exactly alike, but
they are different from atoms of other elements.
J.J. Thomson used a cathode ray to
discover the _____.
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A.atom
B. proton
C.electron
D.neutron
Iodine-131 and iodine-127 are
examples of _____.
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A.nuclei
B.isotopes
C.isomers
D.neutrons
The discovery of isotopes led to
the discovery of _____.
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A.atoms
B.protons
C.electrons
D.neutrons
The experimentation of _____ led to
the theory that the atom is a sphere of
mostly empty space, with a positively
charged nucleus with electrons around
it.
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A.Bohr
B.Rutherford
C.Nagaoka
D.Thomson
Which of the following are
definitely atoms of the same
element
A.
B.
C.
D.
3 protons, 3 neutrons and 3 protons, 4 neutrons
3 protons, 3 neutrons and 4 protons, 4 neutrons
4 protons, 4 neutrons and 3 protons, 4 neutrons
3 protons, 4 neutrons and 4 protons, 3 neutrons
The _____ is where the electron is
most likely to be found.
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A.energy level
B.electron cloud
C.electron orbit
D.orbit
The atomic number of chlorine is
17. How many valence electrons
does an atom of chlorine have?
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A.2
B. 8
C. 7
D.17
In a Lewis dot diagram, the dots
represent _____ in the atom.
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A. all the electrons
B. the protons
C. the valence electrons
D. the neutrons
Which scientist developed the
model of the atom shown?
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A. Chadwick
B. Rutherford
C. Thomson
D. Bohr
Which scientist developed the
model of the atom shown?
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A. Chadwick
B. Rutherford
C. Thomson
D. Bohr
Which has a charge of +1?
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A. proton
B. electron
C. atom
D. neutron
Which one(s) have a mass of 1
amu?
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A. electron
B. proton and neutron
C. proton
D. electron and proton
According to the modern concept
of the atom, which are located in
the nucleus
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A. electrons and protons
B. neutrons and electrons
C. protons only
D. protons and neutrons
Which diagram shows a wave with the
highest frequency?
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A.
B.
C.
D.
A
B
C
D
Isotopes have the same atomic
number but a different number of
____.
A.
B.
C.
D.
Protons
Neutrons
Electrons
Atoms
All atoms of the same element
have the same ___________.
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A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Mass Number
Ions have the same atomic number
but different number of ______
A.
B.
C.
D.
Protons
Neutrons
Electrons
Atoms
How will you prepare for this test?
A. Review my notes
B. Use my study guide
C. Review this game from Mrs. Ricafort’s
website
D. All of the above