Pregunta 1
Pregunta
Select the type of subshell that can hold the most electrons.
Pregunta 2
Pregunta
How many electrons are in the 3p subshell of a phosphorus atom?
Pregunta 3
Pregunta
What is the ground-state electron configuration of aluminum?
Respuesta
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1s2 2s2 2s1
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1s2 2s1 2p6 3s2
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1s2 2s2 2p6 3s2 3p0
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1s2 2s2 2p6 3s2 3p1
Pregunta 4
Pregunta
Select the quantum number that describes the type of subshell (s, p, d, or f) that an electron occupies.
Pregunta 5
Pregunta
How many valence electrons are in an atom of a group of 16 element?
Respuesta
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three
-
four
-
five
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six
-
seven
Pregunta 6
Pregunta
Select the valence electron configuration of a group 2 element.
Respuesta
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ns2
-
ns1
-
ns2 np6
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ns2 np5
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ns2 np7
Pregunta 7
Pregunta
Which of these ions has the largest ionic radius?
Pregunta 8
Pregunta
Which of these elements has the highest first ionization energy?
Pregunta 9
Pregunta
Which of these compounds would be expected to have the greatest attraction between ions?
Pregunta 10
Pregunta
As you move toward the top right corner of the periodic table atomic radius-
Respuesta
-
and first ionization energy both increase.
-
and first ionization energy both decrease.
-
decreases and first ionization energy increases.
-
increases and first ionization energy decreases.
Pregunta 11
Pregunta
Among the given choices, which of these elements has the higher ionization energy.
Pregunta 12
Pregunta
Among the given choices, which of these elements has the higher ionization energy?
Pregunta 13
Pregunta
Among the given choices, which of these elements has the lower electron affinity?
Pregunta 14
Pregunta
Among the given choices, which of these elements has the lower electron affinity?
Pregunta 15
Pregunta
Among the given choices, which of these elements has the lower affinity?
Pregunta 16
Pregunta
Select the type of subshell that can hold the most electrons.
Pregunta 17
Pregunta
Select the set of quantum numbers that is NOT permitted.
Respuesta
-
n=2, l=1, ml=1, ms=+1/2
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n=3, l=0, ml=1, ms=+1/2
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n=1, l=0, ml=0, ms=-1/2
-
n=4, l=3, ml=3, ms=-1/2
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n=3, l=3, ml=2, ms=+1/2
Pregunta 18
Pregunta
According to the VSEPR theory, what formula should be for SF4?
Pregunta 19
Pregunta
Predict the molecular geometry for a molecule with two bonded groups and two lone pairs.
Respuesta
-
linear
-
bent
-
trigonal planar
-
tetrahedral
-
trigonal bipyramidal
Pregunta 20
Pregunta
Identify the number of sigma and pi bonds in the CS2 molecule.
S=C=S
Respuesta
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1 sigma bond; 1 pi bond
-
0 sigma bonds; 2 pi bonds
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2 sigma bonds; 2 pi bonds
-
2 sigma bonds; 0 pi bonds
Pregunta 21
Pregunta
Predict the molecular geometry for the SeF4 molecule.
Respuesta
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tetrahedral
-
trigonal bypyramidal
-
seesaw
-
square pyramidal
-
square planar
Pregunta 22
Pregunta
Determine the molecular geometry for PH3.
Respuesta
-
linear
-
bent
-
trigonal planar
-
trigonal pyramidal
-
tetrahedral
Pregunta 23
Pregunta
Which of these molecules is linear?
Pregunta 24
Pregunta
Select the nonpolar molecule.
Pregunta 25
Pregunta
How many unshared electrons (lone pairs) are in CHCl3 (chloroform) molecule?
Pregunta 26
Pregunta
How many unshared electrons (lone pairs) are in NF3 molecule?
Pregunta 27
Pregunta
What are the formal charges of C and O, respectively in carbon monoxide?
Pregunta 28
Pregunta
Which of these molecules is likely to be an exception to the octet rule?
Pregunta 29
Pregunta
Which Lewis structure uses an expanded octet?
Pregunta 30
Pregunta
What is the formal charge on chlorine in the chlorite ion, ClO2-?
Pregunta 31
Pregunta
Determine the formal charge on central atom in the ICl4 molecule.
Pregunta 32
Pregunta
What is the molecular geometry of BrF3?
Respuesta
-
T-shaped
-
Trigonal planar
-
trigonal pyramidal
-
seesaw
Pregunta 33
Pregunta
Consider the given lewis structure of PF5. What is the geometry of this molecule?
Respuesta
-
trigonal bipyramidal
-
octahedral
-
square pyramidal
-
trigonal pyranidal
Pregunta 34
Pregunta
Determine the total number of valence electrons in bromide pentafluoride, BrF5.
Pregunta 35
Pregunta
What is the molecular shape of BF3?
Respuesta
-
linear
-
bent
-
trigonal planar
-
trigonal pyramidal
Pregunta 36
Pregunta
Among the four Alkali metal Iodides LiI, NaI, KI, and RbI, which iodide has the highest lattice energy?