Question 1

The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of

Accepted Answer

A)  Kr.
B)  Ni.
C)  Fe.
D)  Pd.
E)  None of these choices is correct.F) A) and E)
G) A) and C)

Question 2

Which of the elements listed below has the greatest atomic radius?

Accepted Answer

A)  B
B)  Al
C)  S
D)  P
E)  SiF) B) and C)
G) C) and E)

Question 3

The orbital diagram for a ground-state oxygen atom is

Accepted Answer

The answer of The orbital diagram for a ground-state oxygen...

Question 4

The Lewis dot symbol consists of the symbol for the element surrounded by dot(s) .What does the symbol represent?

Accepted Answer

A)  Electron configuration
B)  Valence electrons
C)  Atomic number
D)  Atomic mass
E)  Nucleus and core electronsF) None of the above
G) A) and B)

Question 5

The ground-state electron configuration of a calcium atom is

Accepted Answer

A)  [Ne]3s2
B)  [Ne]3s23p6
C)  [Ar]4s13d1
D)  [Ar]4s2
E)  [Ar]3d2F) B) and E)
G) C) and E)

Question 6

Which ion is isoelectronic with Ar?

Accepted Answer

A)  Fe2+
B)  F−
C)  Br−
D)  Ga3+
E)  Ca2+F) A) and B)
G) B) and D)

Question 7

Consider the element with the electron configuration [Xe]6s24f7.This element is

Accepted Answer

A)  a halogen.
B)  a lanthanide element.
C)  a nonmetal.
D)  an actinide element.
E)  a noble gas.F) B) and E)
G) All of the above

Question 8

The size of an atomic orbital is associated with

Accepted Answer

A)  the principal quantum number (n) .
B)  the angular momentum quantum number (l) .
C)  the magnetic quantum number (ml) .
D)  the spin quantum number (ms) .
E)  the angular momentum and magnetic quantum numbers, together.F) None of the above
G) A) and E)

Question 9

An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?
A)2A
B)3A
C)4A
D)5A
E)8A

Accepted Answer

Question 10

How many electrons are in the 4p orbitals of vanadium?

Accepted Answer

A)  0
B)  2
C)  4
D)  5
E)  6F) A) and B)
G) None of the above

Question 11

Which of the following elements has the smallest atomic size?

Accepted Answer

A)  Na
B)  Ar
C)  K
D)  Ca
E)  KrF) A) and D)
G) B) and D)

Question 12

The ground-state electron configuration for an atom of indium is

Accepted Answer

A)  [Kr]5s24p64d5
B)  [Ar]4s23d104p1
C)  [Ar]4s24p63d5
D)  [Kr]5s25p64d5
E)  [Kr]5s24d105p1F) A) and C)
G) B) and C)

Question 13

Select the correct electron configuration for sulfur (Z = 16) .

Accepted Answer

A)  1s21p62s22p6
B)  1s22s22p83s23p4
C)  1s22s22p83s23p2
D)  1s22s22p63s23p4
E)  1s22s22p63s23d4F) None of the above
G) A) and D)

Question 14

Which element has the following ground-state electron configuration? 1s2 2s2 2p6 3s2
A)Na
B)Mg
C)Al
D)Si
E)Ne

Accepted Answer

Question 15

The orbital diagram for a ground-state carbon atom is

Accepted Answer

The answer of The orbital diagram for a ground-state carbon...

Question 16

An isoelectronic series is

Accepted Answer

A)  a series that has two or more species that have identical nuclear charges, but have different electron configurations.
B)  a series that has the same ionization potentials.
C)  a series that can have only up to three species and have similar electron configuration and similar nuclear charges.
D)  a series that has two or more species that have identical electron configurations, but different nuclear charges.
E)  a series that has the same nuclear charge.F) C) and D)
G) All of the above

Question 17

Which of these pairs consists of isoelectronic species?

Accepted Answer

A)  Mn2+ and Ar
B)  Zn2+ and Cu2+
C)  Na+ and K+
D)  Cl− and S
E)  K+ and Cl−F) B) and D)
G) None of the above

Question 18

Which of these atoms has the smallest radius?

Accepted Answer

A)  Al
B)  P
C)  As
D)  Te
E)  NaF) A) and E)
G) A) and B)

Question 19

What is the emission of light at only specific wavelengths?

Accepted Answer

A)  Emission spectra
B)  Hydrogen spectrum
C)  Wave spectra
D)  Limited spectra
E)  Line spectraF) D) and E)
G) A) and D)

Question 20

Which ground-state atom has an electron configuration described by the following orbital diagram?

Accepted Answer

A)  Phosphorus
B)  nitrogen
C)  arsenic
D)  vanadium
E)  sulfurF) A) and E)
G) None of the above

Exam 2: Electrons and the Periodic Table

The ground-state electron configuration of a calcium atom is

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Which element has the following ground-state electron configuration? 1s2 2s2 2p6 3s2 A)Na B)Mg C)Al D)Si E)Ne

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Consider the element with the electron configuration [Xe]6s24f7.This element is

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Which of these pairs consists of isoelectronic species?

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An isoelectronic series is

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How many electrons are in the 4p orbitals of vanadium?

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Select the correct electron configuration for sulfur (Z = 16) .

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Which of the following elements has the smallest atomic size?

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An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group? A)2A B)3A C)4A D)5A E)8A

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The orbital diagram for a ground-state carbon atom is

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Which ground-state atom has an electron configuration described by the following orbital diagram?

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The ground-state electron configuration for an atom of indium is

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The Lewis dot symbol consists of the symbol for the element surrounded by dot(s) .What does the symbol represent?

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The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of

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Which of these atoms has the smallest radius?

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What is the emission of light at only specific wavelengths?

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The size of an atomic orbital is associated with

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Which of the elements listed below has the greatest atomic radius?

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Which ion is isoelectronic with Ar?

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The orbital diagram for a ground-state oxygen atom is

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Which element has the following ground-state electron configuration? 1s² 2s² 2p⁶ 3s² A)Na B)Mg C)Al D)Si E)Ne

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Consider the element with the electron configuration [Xe]6s²4f⁷.This element is

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An element with the general electron configuration for its outermost electrons of ns²np¹ would be in which element group? A)2A B)3A C)4A D)5A E)8A

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The electronic structure 1s²2s²2p⁶3s²3p⁶4s²3d⁸ refers to the ground state of

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