8/12/25, 8:13
PM
BYU CHEM 043 S002 - Speedbacks w/ no
equations #2 EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED LATEST
UPDATE GRADED A++ 2025/2026
Terms in this set (90)
What is Avogadro's A) the number of particles in 1 mole of a pure
number used to element or compound
determine?
A) the number of
particles in 1 mole
of a pure element or
compound
B) the number of
particles in exactly 1
gram of a pure
element or
compound
C) the maximum
number of electrons
that all the energy
levels can
accommodate
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PM
D) the number of
protons and neutrons
that can fit in the
shells of the nucleus
What is the number B) Avogadro's number
of molecules in a
mole of any
substance called?
A) mass number
B) Avogadro's number
C) atomic number
D) gram-atomic number
The relative atomic B) one atom of carbon-12
mass of an atom can
be found by
comparing the mass
of the atom to the
mass of what?
A) uranium-235
B) one atom of carbon-
12
C) a proton
D) one atom of
hydrogen-1
The silicon-28 atom D) 28 u
is assigned a relative
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PM
mass of exactly
what?
A) 14 u
B) 1u
C) 100 u
D) 28 u
What is the number of C) 6.02 x 10^23
atoms in 1 mol of
carbon?
A) 5.02 x 10^22
B) 6.02 x 10^22
C) 6.02 x 10^23
D) 5.02 x 10^23
The atomic number D) an equal number of atoms
of phosphorus is 15.
The atomic number
of zinc is 30.
Compared with a
mole of phosphorus,
how many atoms
does a mole of zinc
contain?
A) half as many atoms
B) twice as many atoms
C) 20 times as many
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PM
atoms
D) an equal number of
atoms
What symbol C) mol
represents a mole?
A) ml
B) mo
C) mol
D) m
The element A) 152 g/mol
europium (Eu) is
named for the
continent of Europe.
What is the
correct atomic weight
of europium?
A) 152 g/mol
B) 157 g/mol
C) 150 g/mol
D) 159 g/mol
4/50
PM
BYU CHEM 043 S002 - Speedbacks w/ no
equations #2 EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED LATEST
UPDATE GRADED A++ 2025/2026
Terms in this set (90)
What is Avogadro's A) the number of particles in 1 mole of a pure
number used to element or compound
determine?
A) the number of
particles in 1 mole
of a pure element or
compound
B) the number of
particles in exactly 1
gram of a pure
element or
compound
C) the maximum
number of electrons
that all the energy
levels can
accommodate
1/50
,8/12/25, 8:13
PM
D) the number of
protons and neutrons
that can fit in the
shells of the nucleus
What is the number B) Avogadro's number
of molecules in a
mole of any
substance called?
A) mass number
B) Avogadro's number
C) atomic number
D) gram-atomic number
The relative atomic B) one atom of carbon-12
mass of an atom can
be found by
comparing the mass
of the atom to the
mass of what?
A) uranium-235
B) one atom of carbon-
12
C) a proton
D) one atom of
hydrogen-1
The silicon-28 atom D) 28 u
is assigned a relative
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PM
mass of exactly
what?
A) 14 u
B) 1u
C) 100 u
D) 28 u
What is the number of C) 6.02 x 10^23
atoms in 1 mol of
carbon?
A) 5.02 x 10^22
B) 6.02 x 10^22
C) 6.02 x 10^23
D) 5.02 x 10^23
The atomic number D) an equal number of atoms
of phosphorus is 15.
The atomic number
of zinc is 30.
Compared with a
mole of phosphorus,
how many atoms
does a mole of zinc
contain?
A) half as many atoms
B) twice as many atoms
C) 20 times as many
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PM
atoms
D) an equal number of
atoms
What symbol C) mol
represents a mole?
A) ml
B) mo
C) mol
D) m
The element A) 152 g/mol
europium (Eu) is
named for the
continent of Europe.
What is the
correct atomic weight
of europium?
A) 152 g/mol
B) 157 g/mol
C) 150 g/mol
D) 159 g/mol
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