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