Deck 8: Periodic Properties of the Elements

Question 1

An element that has the outer electron configuration 6s²5d⁷ belongs to which period and group?

A)period 7; group 9
B)period 6; group 7
C)period 6; group 2
D)period 6; group 9
E)period 7; group 7

Answer 1

period 6; group 9

Question 2

What was the predicted formula for the oxide of eka-silicon (germanium)?

A)XO₂
B)XO
C)XO₄
D)XO₃

Answer 2

XO₂

Question 3

An element that has the valence electron configuration 4s²4p⁴ belongs to which period and group?

A)period 4; group 16
B)period 4; group 6
C)period 4; group 8
D)period 5; group 6
E)period 5; group 18

Answer 3

period 4; group 16

Question 4

Identify the ground-state electron configuration for Pb.

A)[Xe]6s²6p²
B)[Xe]6s²5d¹⁰6p²
C)[Xe]6s²5f¹⁴6d¹⁰6p²
D)[Xe]6s²4f¹⁴5d¹⁰6p²
E)[Xe]6s²4f¹⁴5d^106s26p²

Question 5

Identify the ground-state electron configuration for I.

A)[Kr]5s²4d¹⁰5p⁶
B)[Kr]5s²4d¹⁰5p⁵
C)[Kr]4d¹⁰5p⁶
D)[Kr]5s²5p⁶
E)[Kr]5s²5d¹⁰5p⁶

Question 6

An element that has the outer electron configuration 5s²4d⁵ belongs to which period and group?

A)period 4; group 8
B)period 5; group 9
C)period 5; group 7
D)period 5; group 3
E)period 5; group 13

Question 7

Identify the number of valence electrons for O.

A)0
B)1
C)2
D)4
E)6

Question 8

Identify the ground-state electron configuration for Cd.

A)[Kr]5s²5d¹⁰
B)[Kr]5s²4d¹⁰5p²
C)[Kr]4d¹⁰
D)[Kr]5s²4d⁸
E)[Kr]5s²4d¹⁰

Question 9

Identify the number of core electrons for O.

A)0
B)1
C)2
D)3
E)4

Question 10

Identify the number of core electrons for Cd.

A)44
B)48
C)46
D)45
E)47

Question 11

Identify the number of valence electrons for Pb.

A)4
B)2
C)12
D)28
E)26

Question 12

What was the predicted formula for the chloride of eka-aluminum (gallium)?

A)XCl
B)XCl₂
C)XCl₃
D)XCl₄

Question 13

Identify the number of valence electrons for Cd.

A)8
B)10
C)12
D)2
E)6

Question 14

Identify the ground-state electron configuration for Se.

A)[Ar]4s²3d¹⁰4p⁴
B)[Ar]4s²4d¹⁰4p⁴
C)[Ar]4s²3d^104p6
D)[Ar]4s²3d¹⁰
E)[Ar]3d¹⁰4p⁴

Question 15

What was the predicted formula for the oxide of eka-aluminum (gallium)?

A)XO₂
B)X₂O
C)XO
D)X₂O₃

Question 16

Identify the ground-state electron configuration for Sr.

A)[Kr]5s²4d²
B)[Kr]5s²4d^105p2
C)[Kr]5s²
D)[Kr]5s²5d¹⁰5p²
E)[Kr]5s²4d¹⁰

Question 17

An element that has the valence electron configuration 5s²5p³ belongs to which period and group?

A)period 5; group 15
B)period 5; group 2
C)period 5; group 3
D)period 5; group 5
E)period 4; group 13

Question 18

An element that has the valence electron configuration 6s²6p⁶ belongs to which period and group?

A)period 6; group 16
B)period 6; group 18
C)period 7; group 16
D)period 7; group 18
E)period 7; group 17

Question 19

What was the predicted formula for the chloride of eka-silicon (germanium)?

A)XCl
B)XCl₂
C)XCl₃
D)XCl₄

Question 20

An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group?

A)period 3; group 18
B)period 3; group 2
C)period 3; group 17
D)period 3; group 3
E)period 3; group 5

Question 21

An element that has the valence electron configuration 6s²6p² belongs to which period and group?

A)period 6; group 16
B)period 6; group 6
C)period 6; group 4
D)period 6; group 14
E)period 6; group 9

Question 22

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁴

A)Ti
B)Zr
C)Nb
D)W
E)Mn

Question 23

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁸

A)Tc
B)Ru
C)Os
D)Rh
E)V

Question 24

Using the periodic table,identify the element with the following exception electron configuration: [Ar]4s¹3d¹⁰

A)Ga
B)Zn
C)Cu
D)Ni
E)Cd

Question 25

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s¹4f¹⁴5d¹⁰

A)Hg
B)Au
C)Cd
D)Ir
E)Rg

Question 26

Using the periodic table,identify the element with the following exception electron configuration: [Kr]4d¹⁰

A)Sn
B)Ru
C)Sr
D)Cd
E)Pd

Question 27

Use the periodic table to determine the ground-state electron configuration for the following element: Te

A)[Kr]5s²4d¹⁰5p⁶
B)[Kr]5s²4d¹⁰5p⁴
C)[Xe]5s²4d¹⁰5p⁴
D)[Xe]6s²5d¹⁰4f¹⁴6p⁴
E)[Kr]5s²4d⁶

Question 28

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s¹4f¹⁴5d⁹

A)Au
B)Pt
C)Pd
D)Tl
E)Hf

Question 29

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁷

A)Mo
B)Tc
C)Rh
D)Ru
E)Pd

Question 30

An element that has the valence electron configuration 4s² belongs to which period and group?

A)period 4; group 2
B)period 4; group 14
C)period 4; group 6
D)period 4; group 1
E)period 4; group 9

Question 31

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁵

A)Zr
B)Ni
C)Re
D)Tc
E)Mo

Question 32

An element that has the outer electron configuration 6s²5d⁴ belongs to which period and group?

A)period 6; group 16
B)period 6; group 12
C)period 6; group 4
D)period 6; group 6
E)period 6; group 2

Question 33

An element that has the valence electron configuration 3s¹ belongs to which period and group?

A)period 4; group 7
B)period 4; group 2
C)period 4; group 1
D)period 3; group 2
E)period 3; group 1

Question 34

Use the periodic table to determine the ground-state electron configuration for the following element: Si

A)[Ne]3s²3p¹
B)[Ne]3s²3p³
C)[Ne]3s²3p⁶
D)[Ne]3s²3p²
E)[Ne]3s²3p⁴

Question 35

Use the periodic table to determine the ground-state electron configuration for the following element: F

A)[He]2s²2p⁵
B)[He]2s²3p⁵
C)[He]3s²2p⁵
D)[He]2s²1d¹⁰2p⁵
E)[He]3s²3p⁵

Question 36

Use the periodic table to determine the ground-state electron configuration for the following element: As

A)[Ar]4s²4d⁵4p⁵
B)[Ar]4s²3d¹⁰4p⁵
C)[Ar]4s²4d¹⁰4p⁵
D)[Ar]4s²4d¹⁰4p³
E)[Ar]4s²3d¹⁰4p³

Question 37

Using the periodic table,identify the element with the following exception electron configuration: [Ar]4s¹3d⁵

A)Ni
B)Co
C)Cr
D)Mn
E)Fe

Question 38

Use the periodic table to determine the ground-state electron configuration for the following element: Mn

A)[Ar]4s²3d⁵
B)[Ar]4s²3p⁵
C)[Ar]4s²3d¹⁰4p⁵
D)[Kr]5s²4d⁶
E)[Ne]3s²3p⁴

Question 39

An element that has the valence electron configuration 2s²2p² belongs to which period and group?

A)period 1; group 18
B)period 2; group 12
C)period 2; group 4
D)period 2; group 14
E)period 2; group 8

Question 40

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d¹⁰

A)Cd
B)Hg
C)Pd
D)Au
E)Ag

Question 41

How many unpaired electrons are present in the ground-state P atom?

A)0
B)3
C)1
D)2
E)4

Question 42

How many valence electrons does an atom of S have?

A)3
B)1
C)2
D)4
E)6

Question 43

How many valence electrons does an atom of Al possess?

A)1
B)2
C)5
D)3
E)8

Question 44

How many unpaired electrons are present in the ground-state Ge atom?

A)0
B)3
C)1
D)2
E)4

Question 45

How many valence electrons does an atom of Ti possess?

A)2
B)4
C)6
D)8
E)0

Question 46

Identify the element that has a ground-state electronic configuration of [Kr]5s²4d⁵.

A)Tc
B)Mn
C)Nb
D)Ru

Question 47

Use the periodic table to determine the ground-state electron configuration for the following element: Zr

A)[Kr]5s²4d¹⁰5p²
B)[Kr]5s²5p²
C)[Kr]5s²5d²
D)[Kr]5s²4d²
E)[Kr]5s²4d¹⁰5p⁴

Question 48

How many valence electrons does an atom of Cu possess?

A)2
B)9
C)11
D)3
E)1

Question 49

How many of the following elements have two unpaired electrons in the ground state? C O Ti Si

A)1
B)2
C)3
D)4

Question 50

Use the periodic table to determine the ground-state electron configuration for the following element: Fe

A)[Ar]4s²4d⁶
B)[Ar]4s²3d⁶
C)[Ar]4s²5d⁶
D)[Ar]4s²5d³
E)[Ar]4s²3d⁸

Question 51

Identify the element that has a ground-state electronic configuration of [Ar]4s²3d¹⁰4p¹.

A)Al
B)Cu
C)In
D)Ga
E)B

Question 52

Use the periodic table to determine the ground-state electron configuration for the following element: Ga

A)[Ar]4s²3d¹⁰4p²
B)[Ar]4s²3d⁹
C)[Ar]4s²3d¹⁰
D)[Ar]4s²4p¹
E)[Ar]4s²3d¹⁰4p¹

Question 53

How many unpaired electrons are present in the ground-state Kr atom?

A)1
B)2
C)0
D)3
E)5

Question 54

How many of the following elements have one unpaired electron in the ground state? B Al S Cl

A)1
B)2
C)3
D)4

Question 55

Use the periodic table to determine the ground-state electron configuration for the following element: Co

A)[Ar]4s²3d⁷
B)[Ar]4s²3d⁹
C)[Ar]4s²3d⁵
D)[Ar]3d⁹
E)[Ar]4s²3d³

Question 56

Use the periodic table to determine the ground-state electron configuration for the following element: Sc

A)[Ar]4s²3d¹
B)[Ar]4s²3d²
C)[Ar]4s³
D)[Ar]3d³
E)[Ar]4s²3d³

Question 57

Identify the number of valence electrons for Mn.

A)8
B)7
C)5
D)2

Question 58

Use the periodic table to determine the ground-state electron configuration for the following element: Cu

A)[Ar]4s²3d⁹
B)[Ar]4s¹3d¹⁰
C)[Ar]4s²4d⁹
D)[Ar]4s¹4d¹⁰
E)[Ar]4s²4p¹

Question 59

How many valence electrons does an atom of Ba possess?

A)2
B)1
C)8
D)6
E)3

Question 60

How many unpaired electrons are there in the ground-state of As?

A)0
B)4
C)3
D)2
E)1

Question 61

How many valence electrons do the alkaline earth metals possess?

A)1
B)2
C)7
D)6
E)8

Question 62

How many valence electrons do the noble gases possess?

A)1
B)3
C)7
D)6
E)8

Question 63

Identify the complete electronic configuration for Mn.

A)1s²2s²2p⁶3s²3p^64s24d⁵
B)1s²2s²2p⁶3s²3p⁶4s¹3d⁶
C)1s²2s²2p⁶3s²3p⁶4s²3d⁵
D)1s^22s22p⁶3s²3p⁶4s²4p⁵

Question 64

Use the periodic table to predict the most stable oxidation state for the following element: Al

A)+1
B)+2
C)+3
D)-1
E)-2

Question 65

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

A)Ar > Xe > Rb
B)Xe > Rb > Ar
C)Ar > Rb > Xe
D)Rb > Xe > Ar
E)Rb > Ar > Xe

Question 66

Use the periodic table to predict the most stable oxidation state for the following element: Pb

A)+1
B)+2
C)+3
D)-1
E)-2

Question 67

Place the following ions in order of increasing radius. Ca²⁺ S^2- Cl^-

A)Ca²⁺ < Cl^-< S^2-
B)Cl^- < Ca²⁺ < S^2-
C)S²⁺ < Cl^- < Ca²⁺
D)Ca²⁺ < S^2- < Cl^-
E)Cl^- < S^2- < Ca²⁺

Question 68

Place the following elements in order of increasing atomic radius. P Ba Cl

A)Ba < P < Cl
B)P < Cl < Ba
C)Cl < P < Ba
D)Cl < Ba < P
E)Ba < Cl < P

Question 69

Place the following ions in order of decreasing radius. Te^2- F^- O^2-

A)F^- > O^2- > Te^2-
B)F^- > Te^2- > O^2-
C)Te^2- > O^2- > F^-
D)Te^2- > F^- > O^2-
E)O^2- > F^- > Te^2-

Question 70

Use the periodic table to predict the most stable oxidation state for the following element: Na

A)+1
B)+2
C)+3
D)-1
E)-2

Question 71

Use the periodic table to predict the most stable oxidation state for the following element: Ca

A)+1
B)+2
C)+3
D)-1
E)-2

Question 72

Use the periodic table to predict the most stable oxidation state for the following element: O

A)+1
B)+2
C)+3
D)-1
E)-2

Question 73

Place the following ions in order of increasing radius. Br^- Na⁺ Rb⁺

A)Br^- < Rb⁺ < Na⁺
B)N⁺ < Rb⁺ < Br^-
C)Rb⁺ < Br^- < Na⁺
D)Br^- < Na⁺ < Rb⁺
E)Rb⁺ < Na⁺ < Br^-

Question 74

Use the periodic table to predict the most stable oxidation state for the following element: F

A)+1
B)+2
C)+3
D)-1
E)-2

Question 75

Use the periodic table to predict the most stable oxidation state for the following element: Ga

A)+1
B)+2
C)+3
D)-1
E)-2

Question 76

Place the following elements in order of increasing atomic radius. As O B

A)As < B < O
B)O < As < B
C)B < As < O
D)As < O < B
E)O < B < As

Question 77

How many valence electrons do the halogens possess?

A)5
B)6
C)2
D)1
E)7

Question 78

Use the periodic table to predict the most stable oxidation state for the following element: K

A)+1
B)+2
C)+3
D)-1
E)-2

Question 79

Use the periodic table to predict the most stable oxidation state for the following element: Br

A)+1
B)+2
C)+3
D)-1
E)-2

Question 80

Use the periodic table to predict the most stable oxidation state for the following element: B

A)+1
B)+2
C)+3
D)-1
E)-2