11/17/2019 Self-Assessment Quiz 2

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Chemistry: The Molecular Nature of Matter

and Change (Silberberg), 7th Edition
Textbook Resources Chapter 8: Electron Configuration and Chemical
Beer-Lambert Law
Periodicity
Chapter Activities
Chapter 8 Self-Assessment Quiz 2
Self-Assessment Quiz 1
Self-Assessment Quiz 2 Please note that this quiz uses special characters. Not all
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1 The set of quantum numbers that correctly describes

an electron in a 3p orbital is
A) n = 3; l = 0; ml = 0; ms = 0

B) n = 3; l = 2; ml = -2, -1, 0, 1, or 2; ms = +½ or
-½
C) n = 3; l = 1; ml = -1, 0, or 1; ms = +½ or -½

D) n = 4; l = 0; ml = -1 ,0, or 1; ms = +½ or -½

E) none of the above

2 An atom in its ground state contains 18 electrons.

How many of these are in orbitals with ml = 0?
A) 2

B) 4

C) 6

D) 8

E) 10

3 When electrons in helium atoms fall from the 3s orbital

down to the 1s orbital, how many different energies
could be released if all possible pathways of decreasing
energy are considered?
A) 2

B) 4

C) 5

D) 6

E) 7

4 The configuration for the six outer electrons in ground

state oxygen atoms is
A) 2s3 2p3

B) 2p6

C) 2s2 2px2 2py2

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11/17/2019 Self-Assessment Quiz 2

D) 2s 2px2 2py1 2pz1

2

E) 2s4 2p2

5 Of the following four electron configurations, which

two represent elements that would have similar
chemical properties?
1. 1s22s22p5 2. 1s22s22p6 3. [Ar]4s23d104p4 4.
[Ar]4s23d104p5
A) 1 and 3

B) 1 and 4

C) 2 and 3

D) 1 and 2

E) 2 and 4

6 Which of the following is the electron configuration for

chromium, element 24?
A) 1s2 2s2 2p6 3s2 3p6 4s2

B) 1s2 2s2 2p6 3s2 3p6 4s2 3d4

C) 1s2 2s2 2p6 3s2 3p6 3d6

D) 1s2 2s2 2p6 3s2 3p6 4s1 3d5

E) 1s2 2s2 2p6 3s2 3p6 4s2 3d1 3d1

7 Which of the following is not a lanthanide element?

A) Sm

B) Hf

C) Eu

D) Dy

E) Ho

8 Which of the following statements about periodic

properties is incorrect?
A) Both electron affinity and ionization energy
decrease down a group.
B) Atomic size increases to the right across a
period.
C) Ionization energy increases to the right across
a period.
D) Atomic size increases down a group.

E) Electron affinity increases to the right across a

period.
9 Which of the following elements has the greatest
ionization energy?
A) Ga

B) As

C) K

D) Pb

E) Na

10 Which of the following elements has the greatest

electron affinity?
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11/17/2019 Self-Assessment Quiz 2

A) Rb
B) C

C) Li

D) Na

E) I

11 Which of the following elements has the greatest

metallic character?
A) Mg

B) Al

C) Ca

D) Ba

E) Cs

12 Which one of the following oxides does not react with

water to form acid solutions?
A) CO2

B) SO3

C) BaO

D) NO2

E) Cl2O7

13 In the telluride ion, how many electrons are in p

orbitals?
A) 52

B) 28

C) 24

D) 20

E) 22

14 The electron configuration for Fe2+ is 1s2 2s2 2p6 3s2

3p6 3d6. Therefore Fe2+ is
A) paramagnetic with two unpaired electrons.

B) paramagnetic with one unpaired electron.

C) paramagnetic with three unpaired electrons.

D) paramagnetic with four unpaired electrons.

E) diamagnetic.

15 Which of the following ions and atoms has the largest

radius?
A) Mg

B) Na

C) Na+

D) Mg2+

E) Al
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