Question 1

A sulfide ion,S2-,has

Accepted Answer

A)  16 protons and 16 electrons.
B)  32 protons and 16 electrons.
C)  16 protons and 14 electrons.
D)  16 protons and 18 electrons.
E)  32 protons and 18 electrons.F) D) and E)
G) C) and D)

Question 2

Select the element with the least metallic character.

Accepted Answer

A)  Sn
B)  Sr
C)  Tl
D)  Ge
E)  GaF) B) and C)
G) A) and E)

Question 3

Explain why the trend in electron affinity increases in general as you move from left to right across a period
(row)of the periodic table.

Accepted Answer

The trend in electron affinity is due to...

Question 4

Which one of these ions does not have [Xe] as its electronic configuration?

Accepted Answer

A)  Te2-
B)  I-
C)  Cs+
D)  Ba2+
E)  Sn4+F) A) and B)
G) A) and C)

Question 5

The effective nuclear charge for an atom is less than the actual nuclear charge due to

Accepted Answer

A)  shielding.
B)  penetration.
C)  paramagnetism.
D)  electron-pair repulsion.
E)  relativity.F) A) and E)
G) A) and D)

Question 6

Which of these choices is the electron configuration of the iron(III) ion?

Accepted Answer

A)  [Ar]3d5
B)  [Ar]4s13d5
C)  [Ar]4s23d3
D)  [Ar]3d6
E)  [Ar]4s23d9F) B) and C)
G) A) and B)

Question 7

The electron configuration of a cobalt(III) ion is

Accepted Answer

A)  [Ar]3d5.
B)  [Ar]4s13d5.
C)  [Ar]4s23d4.
D)  [Ar]3d6.
E)  [Ar]4s23d9.F) A) and B)
G) A) and C)

Question 8

An element with the electron configuration [noble gas]ns2(n - 1) d8 has ___________ valence electrons.

Accepted Answer

A)  2
B)  6
C)  8
D)  10
E)  None of these choices is correct.F) C) and D)
G) A) and C)

Question 9

An element with the electron configuration [noble gas]ns2(n - 1) d10np3 has ____________ valence electrons.

Accepted Answer

A)  2
B)  3
C)  5
D)  10
E)  15F) C) and D)
G) B) and E)

Question 10

Which one of these elements is a transition element?

Accepted Answer

A)  Sr
B)  Pb
C)  As
D)  Fe
E)  HF) B) and C)
G) A) and E)

Question 11

Which of the following is a basic oxide?

Accepted Answer

A)  P4O10
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) B) and E)
G) D) and E)

Question 12

In what groups are transition metals located?

Accepted Answer

A)  1A,7A,and 1B
B)  2A,4A,and 7A
C)  1B through 8B
D)  2B and 3B through 6B
E)  3A through 6AF) A) and B)
G) None of the above

Question 13

Which of these choices is the electron configuration for the chloride ion?

Accepted Answer

A)  [Ne]3s23p4
B)  [Ne]3s23p7
C)  [Ar]
D)  [Ar]4s1
E)  [Ne]3s23p5F) A) and B)
G) A) and D)

Question 14

Which of these elements has the highest first ionization energy?

Accepted Answer

A)  Cs
B)  Ga
C)  K
D)  Bi
E)  AsF) B) and E)
G) B) and D)

Question 15

Consider the element with the electron configuration [Kr]5s24d105p5.This element is

Accepted Answer

A)  a halogen.
B)  a transition metal.
C)  an alkali metal.
D)  an actinide element.
E)  a noble gas.F) B) and E)
G) B) and C)

Question 16

Which of the following elements has the largest third ionization energy (IE3) ?

Accepted Answer

A)  Li
B)  B
C)  Ne
D)  Be
E)  AlF) A) and E)
G) B) and D)

Question 17

Which ground-state ion does not have an electron configuration described by the following orbital diagram? [Ar]
↿
↿
↿
↿
4s
3d
4s 3d

Accepted Answer

A)  V+
B)  Cr2+
C)  Mn3+
D)  Co5+
E)  Fe4+F) A) and D)
G) None of the above

Question 18

___________ is the energy released when a single atom in the gas phase accepts an electron.

Accepted Answer

The answer of ___________ is the energy released when a...

Question 19

Each of the noble gases has a completely filled p subshell except for which one?

Accepted Answer

A)  Xenon
B)  Neon
C)  Radon
D)  Argon
E)  HeliumF) A) and E)
G) D) and E)

Question 20

What is the correct characteristic of nonmetals?

Accepted Answer

A)  They have low electron affinities (so they commonly form anions) .
B)  They have low ionization energies (so they commonly form cations) .
C)  They form ionic compounds with chlorine (metal chlorides) .
D)  They form basic,ionic compounds with oxygen (metal oxides) .
E)  They have high electron affinities (so they commonly form anions) .F) C) and D)
G) A) and B)

Exam 7: Electron Configuration and the Periodic Table

A sulfide ion,S2-,has

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___________ is the energy released when a single atom in the gas phase accepts an electron.

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Which of these elements has the highest first ionization energy?

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Which ground-state ion does not have an electron configuration described by the following orbital diagram? [Ar] ↿ ↿ ↿ ↿ 4s 3d 4s 3d

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Which one of these elements is a transition element?

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Which of the following elements has the largest third ionization energy (IE3) ?

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Explain why the trend in electron affinity increases in general as you move from left to right across a period (row)of the periodic table.

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Which one of these ions does not have [Xe] as its electronic configuration?

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In what groups are transition metals located?

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Which of these choices is the electron configuration for the chloride ion?

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Select the element with the least metallic character.

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An element with the electron configuration [noble gas]ns2(n - 1) d8 has ___________ valence electrons.

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Consider the element with the electron configuration [Kr]5s24d105p5.This element is

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Each of the noble gases has a completely filled p subshell except for which one?

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Which of these choices is the electron configuration of the iron(III) ion?

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The electron configuration of a cobalt(III) ion is

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Which of the following is a basic oxide?

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An element with the electron configuration [noble gas]ns2(n - 1) d10np3 has ____________ valence electrons.

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What is the correct characteristic of nonmetals?

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The effective nuclear charge for an atom is less than the actual nuclear charge due to

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A sulfide ion,S^2-,has

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Which of the following elements has the largest third ionization energy (IE₃) ?

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The trend in electron affinity is due to...
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An element with the electron configuration [noble gas]ns²(n - 1) d⁸ has ___________ valence electrons.

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Consider the element with the electron configuration [Kr]5s²4d¹⁰5p⁵.This element is

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An element with the electron configuration [noble gas]ns²(n - 1) d¹⁰np³ has ____________ valence electrons.

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