Deck 8: Periodic Properties of the Elements

Question 1

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

A) XO₂
B) X₂O
C) XO
D) X₂O₃

Answer 1

X₂O₃

Question 2

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

A) XCl
B) XCl₂
C) XCl₃
D) XCl₄

Answer 2

XCl₄

Question 3

The f orbital can hold a maximum of ________ electrons.

A) 2
B) 6
C) 8
D) 10
E) 14

Answer 3

14

Question 4

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 5

The s orbital can hold a maximum of ________ electrons.

A) 2
B) 6
C) 8
D) 10
E) 14

Question 6

Identify the ground-state electron configuration for I.

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

Question 7

Identify the number of valence electrons for Pb.

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

Question 8

Identify the number of core electrons for O.

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

Question 9

The p orbital can hold a maximum of ________ electrons.

A) 2
B) 6
C) 8
D) 10
E) 14

Question 10

How many electrons are in the 3d orbital of Cr?

A) 2
B) 3
C) 4
D) 5
E) 10

Question 11

Identify the number of valence electrons for O.

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

Question 12

How many electrons are in the 4d orbital of Zr?

A) 2
B) 4
C) 6
D) 8
E) 10

Question 13

How many electrons are in the 3d orbital of V?

A) 2
B) 3
C) 4
D) 5
E) 10

Question 14

Identify the ground-state electron configuration for Cd.

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

Question 15

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

A) XO₂
B) XO
C) XO₄
D) XO₃

Question 16

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 17

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

A) XCl
B) XCl₂
C) XCl₃
D) XCl₄

Question 18

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 19

The d orbital can hold a maximum of ________ electrons.

A) 2
B) 6
C) 8
D) 10
E) 14

Question 20

Identify the number of valence electrons for Ni.

A) 4
B) 2
C) 10
D) 8
E) 26

Question 21

Identify the number of valence electrons for Cd.

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

Question 22

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 23

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 24

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 25

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 26

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 27

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 28

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

Question 29

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 30

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 31

Identify the number of core electrons for Cd.

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

Question 32

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 33

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 34

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 35

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

Question 36

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 37

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 38

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 39

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 40

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 41

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 42

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 43

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 44

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 45

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

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

Question 46

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

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

Question 47

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 48

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

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

Question 49

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

A) [Ar]4s²3d²
B) [Ar]4s¹ 3d³
C) [Ar]3d⁴
D) [Ar]4s²3d⁴
E) [Ar]4s¹3d⁵

Question 50

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 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: Sc

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

Question 53

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 54

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 55

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 56

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 57

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 58

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 59

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

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

Question 60

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 61

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 62

Identify the complete electronic configuration for Mn.

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

Question 63

How many valence electrons does an atom of S have?

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

Question 64

How many valence electrons does an atom of Ba possess?

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

Question 65

How many valence electrons do the noble gases possess?

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

Question 66

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 67

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 68

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 69

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 70

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 71

How many valence electrons does an atom of Ti possess?

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

Question 72

How many valence electrons does an atom of Al possess?

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

Question 73

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

Question 74

How many valence electrons do the alkaline earth metals possess?

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

Question 75

How many valence electrons does an atom of Cu possess?

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

Question 76

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

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

Question 77

Identify the number of valence electrons for Mn.

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

Question 78

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 79

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 80

How many valence electrons do the halogens possess?

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