Chemistry: Molecular Nature of Matter and Change, 6th Edition (Silberberg)

Chapter 8: Electron Configuration and Chemical Periodicity

Self-Assessment Quiz 1

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1
Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +½
The maximum number of electrons in an atom which can share the above set of quantum numbers is
A)1
B)14
C)3
D)10
E)none of the above
2
An atom in its ground state contains 30 electrons. How many of these are in orbitals with l = 2?
A)2
B)4
C)6
D)8
E)10
3
What are the possible values for the angular momentum quantum number (l)?
A)integers from -l to 0 to +l
B)1, 2, 3, etc.
C)2, 4, 6, etc.
D)+½ , -½
E)integers from 0 to n - 1
4
Which of the following sets of quantum numbers (n, l, ml, and ms) describes the electron which is most easily removed when a sodium atom is converted into a sodium ion?
A)2, 1, 0, -½
B)2, 0, 0, -½
C)3, 1, 1, +½
D)3, 2, 1, -½
E)3, 0, 0, +½
5
The electron configuration of the outermost electrons of atoms of the halogen group is:
A)ns2np7
B)ns1
C)ns2np5
D)ns2np6(n-1)d7
E)ns2np6
6
The electronic configuration of the element whose atomic number is 26 is:
A)1s2 2s2 2p6 3s2 3p6 4s0 3d8
B)1s2 2s2 2p6 3s2 3p6 3d6 4s2
C)1s2 2s2 2p6 3s2 3p6 4s2 3d6
D)1s2 2s2 2p6 3s2 3p6 4s2 3d4 4p2
E)none of the above
7
Consider the element with the electron configuration: [Rn]7s25f7. How would you classify this element?
A)a representative element
B)a transition metal
C)a nonmetal
D)an actinide element
E)a noble gas
8
Which of the following has the largest radius?
A)F
B)N
C)C
D)O
E)Ne
9
Which of the following elements has the largest ionization energy?
A)Na
B)Ne
C)F
D)K
E)Rb
10
Which of the following has the greatest electron affinity (most negative value)?
A)Cl
B)K
C)He
D)Na
E)Rb
11
In the periodic table, the most nonmetallic elements will be found
A)at the top of Group 3A (13)
B)at the top of Group 1A (1)
C)at the top of Group 7A (17)
D)at the bottom of Group 1A (1)
E)at the bottom of Group 7A (17)
12
Of the following oxides, which is the most acidic?
A)MgO
B)SiO2
C)CO2
D)P4O10
E)K2O
13
Which of the following species is not isoelectronic with any of the others?
A)V3+
B)Ca2+
C)Ar
D)Cl-
E)S2-
14
Which of the following is not paramagnetic?
A)Co3+
B)Se2-
C)Gd (element 64)
D)Ni
E)Gd3+
15
Which ion has the smallest radius?
A)Li+
B)Na+
C)K+
D)Be2+
E)Mg2+
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