The PERIODIC TABLE and ELECTRONIC CONFIGURATION



The PERIODIC TABLE and ELECTRONIC CONFIGURATION

1. On the page, "Electron configurations", locate the last number, symbol and exponent for each element. On the "Periodic Table and Electron Configurations”, write this information into the box for that element on the chart. Repeat this for all elements. For those not given, use the trend to fill in the missing information.

eg. H , B [He]2s22p1, Cr [Ar]4s23d4

|1 | |5 | |24 |

|H | |B | |Cr |

|1s1 | |2p1 | |3d4 |

2. In the table, locate the elements' electron configuration that ends with each of the following sublevels and colour each of them a different colour (suggested colour scheme).

"s" elements – blue "p" elements - green "d" elements – red "f" elements – purple

In the boxes under the title, colour and label your legend.

3. Examine the Period # (along the side) and the coefficient (numbers in front of the symbol) for the values in the boxes for the elements. How is the value of the coefficient for the following element blocks, related to the value of the Period?

"s" elements

"p" elements

"d" elements

"f" elements

4. On the page, "Electron configurations", in the black column write down the # of valence electrons for each of the elements.

# val. e- # val. e-

eg. H 1s1 1, B [He] 2s22p1 2+ 1= 3

Cr [Ar] 4s23d4 2, Ge [Ar] 4s2 3d104p2 2 + 2 = 4

5. On the "Periodic Table and Electron-Dot diagrams, draw the electron-dot diagrams for the elements.

6. Examine the Group number (along the top) and the number of valence electrons for the elements.

For the "s" elements, what is the relationship between the Group number and the # of valence electrons?

For the "p" elements, what is the relationship between the Group number and the # of valence electrons?

7. The periodic table is arranged according to increasing Atomic Number. Looking at the two Periodic tables that you have created, how are the Groups and Periods arranged for the "s" and "p" elements (known as the Main Group)?

Groups?

Periods?

8. Given this connection, would you expect the elements in a given group to have similar chemical and physical properties?

Electron Configurations

|1 |H |1s1 |1 |30 |Zn |[Ar]4s2 3d10 | |

|2 |He |1s2 | |31 |Ga |[Ar]4s2 3d10 4p1 |3 |

|3 |Li |[He]2s1 | |32 |Ge | |4 |

|4 |Be |[He]2s2 | |33 |As |[Ar]4s2 3d10 4p3 | |

|5 |B |[He]2s22p1 |3 |34 |Se | | |

|6 |C | | |35 |Br | | |

|7 |N | | |36 |Kr |[Ar]4s2 3d10 4p6 | |

|8 |0 | | |37 |Rb |[Kr]5s1 | |

|9 |F | | |38 |Sr | | |

|10 |Ne |[He]2s22p6 | |39 |Y |[Kr]5s2 4d1 |2 |

|11 |Na |[Ne]3s1 | |40 |Zr |[Kr]5s2 4d2 | |

|12 |Mg |[Ne]3s2 | |41 |Nb | | |

|13 |Al |[Ne]3s23p1 |3 |42 |Mo |[Kr]5s2 4d4 | |

|14 |Si | |4 |43 |Tc |[Kr]5s2 4d5 | |

|15 |P | | |44 |Ru | | |

|16 |S | | |45 |Rh | | |

|17 |Cl | | |46 |Pd | | |

|18 |Ar |[Ne]3s23p6 | |47 |Ag | | |

|19 |K | | |48 |Cd | | |

|20 |Ca |[Ar]4s2 | |49 |In |[Kr]5s2 4d10 5p1 |3 |

|21 |Sc | |2 |50 |Sn | | |

|22 |Ti |[Ar]4s2 3d2 | |51 |Sb |[Kr]5s2 4d10 5p3 | |

|23 |V | | |52 |Te | | |

|24 |Cr |[Ar]4s2 3d4 |2 |53 |I | | |

|25 |Mn |[Ar]4s2 3d5 | |54 |Xe |[Kr]5s2 4d10 5p6 | |

|26 |Fe | | |55 |Cs |[Xe]6s1 | |

|27 |Co |[Ar]4s2 3d7 | |56 |Ba |[Xe]6s2 | |

|28 |Ni | | |57 |La | |2 |

|29 |Cu |[Ar]4s2 3d9 | |58 |Ce |[Xe]6s2 4f2 | |

|59 |Pr |[Xe]6s2 4f3 | |89 |Ac |[Rn]7s2 5f1 | |

|60 |Nd | | |90 |Th | | |

|61 |Pm |[Xe]6s2 4f5 | |91 |Pa |[Rn]7s2 5f3 | |

|62 |Sm |[Xe]6s2 4f6 | |92 |U |[Rn]7s2 5f4 | |

|63 |Eu |[Xe]6s2 4f7 | |93 |Np |[Rn]7s2 5f5 | |

|64 |Gd |[Xe]6s2 4f8 | |94 |Pu |[Rn]7s2 5f6 | |

|65 |Tb |[Xe]6s2 4f9 | |95 |Am | | |

|66 |Dy |[Xe]6s2 4f10 | |96 |Cm |[Rn]7s2 5f8 | |

|67 |Ho | | |97 |Bk |[Rn]7s2 5f9 | |

|68 |Er |[Xe]6s2 4f12 | |98 |Cf |[Rn]7s2 5f10 | |

|69 |Tm |[Xe]6s2 4f13 | |99 |Es | | |

|70 |Yb |[Xe]6s2 4f14 | |100 |Fm | | |

|71 |Lu |[Xe]6s2 4f14 5d1 | |101 |Md |[Rn]7s2 5f13 | |

|72 |Hf | | |102 |No |[Rn]7s2 5f14 | |

|73 |Ta |[Xe]6s2 4f14 5d3 | |103 |Lr |[Rn]7s2 5f14 6d1 | |

|74 |W | | |104 |Rf |[Rn]7s2 5f14 6d2 | |

|75 |Re |[Xe]6s2 4f14 5d5 | |105 |Db | | |

|76 |Os |[Xe]6s2 4f14 5d6 | |106 |Sg |[Rn] 7s2 5f14 6d4 | |

|77 |Ir | | |107 |Bh | | |

|78 |Pt |[Xe]6s2 4f14 5d8 | |108 |Hs |[Rn] 7s2 5f14 6d6 | |

|79 |Au | | |109 |Mt | | |

|80 |Hg |[Xe]6s2 4f14 5d10 | |110 |Ds |[Rn] 7s2 5f14 6d8 | |

|81 |Tl |[Xe]6s2 4f14 5d10 6p1 | |111 |Rg |[Rn] 7s2 5f14 6d9 | |

|82 |Pb | | |112 |Cn |[Rn] 7s2 5f14 6d10 | |

|83 |Bi |[Xe]6s2 4f14 5d10 6p3 | |113 |Nh | | |

|84 |Po |6p4 | |114 |Fl |[Rn] 7s2 5f14 6d10 7p2 | |

|85 |At |[Xe]6s2 4f14 5d10 6p5 | |115 -Uuh |Mc |[Rn] 7s2 5f14 6d10 7p3 | |

|86 |Rn |[Xe]6s2 4f14 5d10 6p6 | |116 |Lv |[Rn] 7s2 5f14 6d10 7p4 | |

|87 |Fr |[Rn]7s1 | |117 |Ts |[Rn] 7s2 5f14 6d10 | |

|88 |Ra | | |118 |Og |[Rn] 7s2 5f14 6d10 7p4 | |

| | | |

|Group |PERIODIC TABLE and ELECTRON CONFIGURATIONS | |

| | | | |

| |1 | |18 |

|Pe | | |

|r |1 |1 H |

|i | | |

|ods | | |

| | | |

| | | |

| | | |

| | | |

| | | | |

| |1 | |18 |

P

e

r

i

o

d

s

|

1 |

1

H |

2 |

|

|

|

|

|

|

|

|

|

|

13 |

14 |

15 |

16 |

17 |

2

He | | |

2 |

3

Li |

4

Be |

|

|

|

|

|

|

|

|

|

|

5

B |

6

C |

7

N |

8

O |

9

F |

10

Ne | | |

3 |

11

Na |

12

Mg |

3 |

4 |

5 |

6 |

7 |

8 |

9 |

10 |

11 |

12 |

13

Al |

14

Si |

15

P |

16

S |

17

Cl |

18

Ar | | |

4 |

19

K |

20

Ca |

21

Sc |

22

Ti |

23

V |

24

Cr |

25

Mn |

26

Fe |

27

Co |

28

Ni |

29

Cu |

30

Zn |

31

Ga |

32

Ge |

33

As |

34

Se |

35

Br |

36

Kr | | |

5 |

37

Rb |

38

Sr |

39

Y |

40

Zr |

41

Nb |

42

Mo |

43

Tc |

44

Ru |

45

Rh |

46

Pd |

47

Ag |

48

Cd |

49

In |

50

Sn |

51

Sb |

52

Te |

53

I |

54

Xe | | |

6 |

55

Cs |

56

Ba |

57

La |

† |

72

Hf |

73

Ta |

74

W |

75

Re |

76

Os |

77

Ir |

78

Pt |

79

Au |

80

Hg |

81

Tl |

82

Pb |

83

Bi |

84

Po |

85

At |

86

Rn | | |

7 |

87

Fr |

88

Ra |

89

Ac

|

‡ |

104

Rf |

105

Db |

106

Sg |

107

Bh |

108

Hs |

109

Mt |

110

Ds |

111

Rg |

112

Cn |

113

Nh |

114

Fl |

115

Mc |

116

Lv |

117

Ts |

118

Og | |

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

| |

|

† |

58

Ce |

59

Pr |

60

Nd |

61

Pm |

62

Sm |

63

Eu |

64

Gd |

65

Tb |

66

Dy |

67

Ho |

68

Er |

69

Tm |

70

Yb |

71

Lu |

|

|

| |

|

‡ |

90

Th |

91

Pa |

92

U |

93

Np |

94

Pu |

95

Am |

96

Cm |

97

Bk |

98

Cf |

99

Es |

100

Fm |

101

Md |

102

No |

103

Lr |

|

|

| |

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