Question 1

Which one of these ions has the largest radius?

Accepted Answer

A)  Cl-
B)  K+
C)  S2-
D)  Na+
E)  O2-F) A) and C)
G) C) and D)

Question 2

Arrange these ions in order of increasing ionic radius: K+ ,P3- ,S2- ,Cl-.

Accepted Answer

A)  K+ - 2- 3-
B)  K+ 3- 2- -
C)  P3- 2- l- +
D)  Cl- 2- 3- +
E)  Cl- 2- + 3-F) D) and E)
G) B) and D)

Question 3

Consider the set of isoelectronic atoms and ions A2-,B-,C,D+,and E2+.Which arrangement of relative radii is correct?

Accepted Answer

A)  A2- > B- > C > D+ > E2+
B)  E2+ > D+ > C > B- > A2-
C)  A2- > B- > C + 2+
D)  A2- -  D+ > E2+
E)  None of these relative radii statements is correct.F) D) and E)
G) B) and C)

Question 4

Which atom has the smallest atomic radius in the third period of the periodic table?

Accepted Answer

The answer of Which atom has the smallest atomic radius...

Question 5

The general electron configuration for atoms of the halogen group is

Accepted Answer

A)  ns2np6.
B)  ns2np5.
C)  ns2np6 (n - 1) d7.
D)  ns1.
E)  ns2np7.F) None of the above
G) A) and D)

Question 6

Which of these elements exhibits chemical behavior similar to that of potassium?

Accepted Answer

A)  magnesium
B)  sodium
C)  sulfur
D)  chlorine
E)  ironF) C) and E)
G) All of the above

Question 7

Who noticed that the periodic table was arranged in order of atomic mass,where every eighth element had similar properties,and called this the law of octaves?

Accepted Answer

A)  Meyer
B)  Newlands
C)  Moseley
D)  Mendeleev
E)  ThomsonF) None of the above
G) A) and B)

Question 8

Which of these elements has the greatest metallic character?

Accepted Answer

A)  Br
B)  F
C)  Ge
D)  Mn
E)  ScF) A) and B)
G) A) and C)

Question 9

Which of the following elements has the largest first ionization energy?

Accepted Answer

A)  Na
B)  Cl
C)  Ca
D)  Te
E)  BrF) All of the above
G) A) and E)

Question 10

The first ionization energies of noble gases are _______________.

Accepted Answer

A)  very positive
B)  slightly negative
C)  slightly positive
D)  very negative
E)  zeroF) B) and C)
G) A) and D)

Question 11

Arrange these ions in order of increasing ionic radius: K+,P3-,S2-,Cl-.

Accepted Answer

A)  K+ - 2- 3-
B)  K+ 3- 2- -
C)  P3- 2- - +
D)  Cl- 2- 3- +
E)  Cl- 2- + 3-F) C) and E)
G) B) and D)

Question 12

The electron configuration of atomic argon is the same as the chloride ion (Cl-).

Accepted Answer

A) True 
 B)False

Question 13

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) C) and E)
G) All of the above

Question 14

Who found that the atomic number was equal to the number of protons in the nucleus and to the number of electrons outside the nucleus in a neutral atom?

Accepted Answer

A)  Meyer
B)  Newlands
C)  Moseley
D)  Mendeleev
E)  ThomsonF) A) and E)
G) A) and C)

Question 15

Which of the following is an amphoteric oxide?

Accepted Answer

A)  Na2O
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) None of the above
G) B) and C)

Question 16

Which of these elements exhibits chemical behavior similar to that of silver?

Accepted Answer

A)  nickel
B)  gold
C)  sulfur
D)  chlorine
E)  ironF) A) and C)
G) A) and D)

Question 17

Elements in which the outermost electron has the same principal quantum number,n,show similar chemical properties.

Accepted Answer

A) True 
 B)False

Question 18

Which one of the following equations correctly represents the process involved in the electron affinity of X?

Accepted Answer

A)  X(g) → X+(g) + e-
B)  X+(g) → X+(aq) 
C)  X+(g) + e- → X(g) 
D)  X(g) + e- → X-(g) 
E)  X+(g) + Y-(g) → XY(s) F) A) and E)
G) A) and C)

Question 19

Elements with _______________ first ionization energies and ___________ electron affinities generally form anions.

Accepted Answer

A)  low,very positive
B)  high,positive or slightly negative
C)  low,positive or slightly negative
D)  high,very positive
E)  None of these is generally correct.F) A) and B)
G) B) and E)

Question 20

Which of the following elements has the largest atomic size?

Accepted Answer

A)  S
B)  Ca
C)  Ba
D)  Po
E)  RnF) C) and D)
G) A) and C)

Exam 7: Electron Configuration and the Periodic Table

Arrange these ions in order of increasing ionic radius: K+ ,P3- ,S2- ,Cl-.

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Arrange these ions in order of increasing ionic radius: K+,P3-,S2-,Cl-.

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Who found that the atomic number was equal to the number of protons in the nucleus and to the number of electrons outside the nucleus in a neutral atom?

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Elements in which the outermost electron has the same principal quantum number,n,show similar chemical properties.

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The first ionization energies of noble gases are _______________.

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Which one of these ions has the largest radius?

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Which of these elements exhibits chemical behavior similar to that of silver?

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Which atom has the smallest atomic radius in the third period of the periodic table?

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The general electron configuration for atoms of the halogen group is

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Who noticed that the periodic table was arranged in order of atomic mass,where every eighth element had similar properties,and called this the law of octaves?

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Elements with _______________ first ionization energies and ___________ electron affinities generally form anions.

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Which of the following elements has the largest atomic size?

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Which of the following elements has the largest first ionization energy?

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Which one of the following equations correctly represents the process involved in the electron affinity of X?

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Which of the following is an amphoteric oxide?

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Which of these elements exhibits chemical behavior similar to that of potassium?

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Which of these elements has the greatest metallic character?

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

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The electron configuration of atomic argon is the same as the chloride ion (Cl-).

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Consider the set of isoelectronic atoms and ions A2-,B-,C,D+,and E2+.Which arrangement of relative radii is correct?

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Arrange these ions in order of increasing ionic radius: K⁺ ,P^3- ,S^2- ,Cl^-.

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Arrange these ions in order of increasing ionic radius: K⁺,P^3-,S^2-,Cl^-.

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Elements with _____ first ionization energies and _ electron affinities generally form anions.

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

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Consider the set of isoelectronic atoms and ions A^2-,B^-,C,D⁺,and E²⁺.Which arrangement of relative radii is correct?

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