Question 1

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) A) and E)
G) B) and E)

Question 2

___________ 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 3

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) C) and D)

Question 4

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 5

Which of these elements has the highest first ionization energy?

Accepted Answer

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

Question 6

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) B) and E)
G) A) and B)

Question 7

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) D) and E)
G) A) and B)

Question 8

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 C)
G) A) and B)

Question 9

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) B) and E)

Question 10

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) B) and E)
G) C) and E)

Question 11

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

Question 12

Select the element with the least metallic character.

Accepted Answer

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

Question 13

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

Question 14

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) B) and C)
G) A) and C)

Question 15

Which one of these elements is a transition element?

Accepted Answer

A)  Sr
B)  Pb
C)  As
D)  Fe
E)  HF) A) and B)
G) All of the above

Question 16

Which of the following is a basic oxide?

Accepted Answer

A)  P4O10
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) C) and E)
G) None of the above

Question 17

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 E)
G) A) and E)

Question 18

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 B)
G) B) and C)

Question 19

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) B) and E)
G) A) and E)

Question 20

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) B) and E)
G) A) and E)

Exam 7: Electron Configuration and the Periodic Table

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedThe trend in electron affinity is due to...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a basic oxide?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the element with the least metallic character.

Correct AnswerverifiedShow Answer

In what groups are transition metals located?

Correct AnswerverifiedShow Answer

A sulfide ion,S2-,has

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The electron configuration of a cobalt(III) ion is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the correct characteristic of nonmetals?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which one of these elements is a transition element?

Correct AnswerverifiedShow Answer

Which of these elements has the highest first ionization energy?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
The trend in electron affinity is due to...
View Answer

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A sulfide ion,S^2-,has

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified