H Periodic Table of the Elements 3A 4A 5A 6A 7A Li Be

1A 1

H 1s1 hydrogen

1.008

3

Li

[He]2s1 lithium

6.94

11

Na

[Ne]3s1 sodium

22.99

19

K

[Ar]4s1 potassium

39.10

37

Rb [Kr]5s1 rubidium

85.47

55

Cs

[Xe]6s1 cesium

132.9

87

Fr

[Rn]7s1 francium

(223)

2A 4

Be [He]2s2 beryllium

9.012

12

Mg

[Ne]3s2 magnesium

24.31

20

Ca [Ar]4s2 calcium

40.08

38

Sr

[Kr]5s2 strontium

87.62

56

Ba [Xe]6s2 barium

137.3

88

Ra

[Rn]7s2 radium

(226)

Los Alamos National Laboratory Chemistry Division

3B 21

Sc

[Ar]4s23d1 scandium

44.96

39

Y

[Kr]5s24d1 yttrium

88.91

*

**

Periodic Table of the Elements

4B 22

Ti

[Ar]4s23d2 titanium

47.88

40

Zr

[Kr]5s24d2 zirconium

91.22

72

Hf

[Xe]6s24f145d2 hafnium

178.5

104

Rf

[Rn]7s25f146d2 rutherfordium

(265)

5B 23

V

[Ar]4s23d3 vanadium

50.94

41

Nb

[Kr]5s14d4 niobium

92.91

73

Ta

[Xe]6s24f145d3 tantalum

180.9

105

Db

[Rn]7s25f146d3 dubnium

(268)

6B 24

Cr

[Ar]4s13d5 chromium

52.00

42

Mo

[Kr]5s14d5 molybdenum

95.96

74

W

[Xe]6s24f145d4 tungsten

183.9

106

Sg

[Rn]7s25f146d4 seaborgium

(271)

7B 25

Mn [Ar]4s23d5 manganese

54.94

43

Tc

[Kr]5s24d5 technetium

(98)

75

Re

[Xe]6s24f145d5 rhenium

186.2

107

Bh

[Rn]7s25f146d5 bohrium

(270)

26

Fe

[Ar]4s23d6 iron

55.85

44

Ru

[Kr]5s14d7 ruthenium

101.1

76

Os

[Xe]6s24f145d6 osmium

190.2

108

Hs

[Rn]7s25f146d6 hassium

(277)

8B 27

Co

[Ar]4s23d7 cobalt

58.93

45

Rh

[Kr]5s14d8 rhodium

102.9

77

Ir

[Xe]6s24f145d7 iridium

192.2

109

Mt

[Rn]7s25f146d7 meitnerium

(276)

28

Ni

[Ar]4s23d8 nickel

58.69

46

Pd [Kr]4d10 palladium

106.4

78

Pt

[Xe]6s14f145d9 platinum

195.1

110

Ds

[Rn]7s15f146d9 darmstadtium

(281)

11B 29

Cu

[Ar]4s13d10 copper

63.55

47

Ag

[Kr]5s14d10 silver

107.9

79

Au

[Xe]6s14f145d10 gold

197.0

111

Rg

roentgenium

(280)

12B 30

Zn

[Ar]4s23d10 zinc

65.39

48

Cd

[Kr]5s24d10 cadmium

112.4

80

Hg

[Xe]6s24f145d10 mercury

200.5

112

Cn

copernicium

(285)

3A 5

B

[He]2s22p1 boron

10.81

13

Al

[Ne]3s23p1 aluminum

26.98

31

Ga

[Ar]4s23d104p1 gallium

69.72

49

In

[Kr]5s24d105p1 indium

114.8

81

Tl

[Xe]6s24f145d106p1 thallium

204.4

113

Uut

(284)

4A 6

C

[He]2s22p2 carbon

12.01

14

Si

[Ne]3s23p2 silicon

28.09

32

Ge

[Ar]4s23d104p2 germanium

72.64

50

Sn

[Kr]5s24d105p2 tin

118.7

82

Pb

[Xe]6s24f145d106p2 lead

207.2

114

Fl

flerovium

(289)

5A 7

N

[He]2s22p3 nitrogen

14.01

15

P

[Ne]3s23p3 phosphorus

30.97

33

As

[Ar]4s23d104p3 arsenic

74.92

51

Sb

[Kr]5s24d105p3 antimony

121.8

83

Bi

[Xe]6s24f145d106p3 bismuth

209.0

115

Uup

(288)

6A 8

O

[He]2s22p4 oxygen

16.00

16

S

[Ne]3s23p4 sulfur

32.06

34

Se

[Ar]4s23d104p4 selenium

78.96

52

Te

[Kr]5s24d105p4 tellurium

127.6

84

Po

[Xe]6s24f145d106p4 polonium

(209)

116

Lv

livermorium

(293)

7A 9

F

[He]2s22p5 fluorine

19.00

17

Cl

[Ne]3s23p5 chlorine

35.45

35

Br

[Ar]4s23d104p5 bromine

79.90

53

I

[Kr]5s24d105p5 iodine

126.9

85

At

[Xe]6s24f145d106p5 astatine

(210)

117

Uus

(294)

8A 2

He 1s2 helium 4.003

10

Ne

[He]2s22p6 neon

20.18

18

Ar

[Ne]3s23p6 argon

39.95

36

Kr

[Ar]4s23d104p6 krypton

83.79

54

Xe

[Kr]5s24d105p6 xenon

131.3

86

Rn

[Xe]6s24f145d106p6 radon

(222)

118

Uuo

(294)

Lanthanide Series* Actinide Series**

57

La

Xe]6s25d1 lanthanum

138.9

89

Ac

[Rn]7s26d1 actinium

(227)

58

Ce

[Xe]6s24f15d1 cerium

140.1

90

Th

[Rn]7s26d2 thorium

232

59

Pr

[Xe]6s24f3 praseodymium

140.9

91

Pa

[Rn]7s25f26d1 protactinium

231

60

Nd [Xe]6s24f4 neodymium

144.2

92

U

[Rn]7s25f36d1 uranium

238

61

Pm [Xe]6s24f5 promethium

(145)

93

Np

[Rn]7s25f46d1 neptunium

(237)

62

Sm [Xe]6s24f6 samarium

150.4

94

Pu

[Rn]7s25f6 plutonium

(244)

63

Eu

[Xe]6s24f7 europium

152.0

95

Am

[Rn]7s25f7 americium

(243)

64

Gd

[Xe]6s24f75d1 gadolinium

157.2

96

Cm

[Rn]7s25f76d1 curium

(247)

65

Tb

[Xe]6s24f9 terbium

158.9

97

Bk

[Rn]7s25f9 berkelium

(247)

66

Dy

[Xe]6s24f10 dysprosium

162.5

98

Cf

[Rn]7s25f10 californium

(251)

67

Ho

[Xe]6s24f11 holmium

164.9

99

Es

[Rn]7s25f11 einsteinium

(252)

68

Er

[Xe]6s24f12 erbium

167.3

100

Fm

[Rn]7s25f12 fermium

(257)

69

Tm [Xe]6s24f13 thulium 168.9

101

Md

[Rn]7s25f13 mendelevium

(258)

70

Yb

[Xe]6s24f14 ytterbium

173.0

102

No

[Rn]7s25f14 nobelium

(259)

71

Lu

[Xe]6s24f145d1 lutetium

175.0

103

Lr

[Rn]7s25f146d1 lawrencium

(262)

element names in blue are liquids at room temperature element names in red are gases at room temperature

element names in black are solids at room temperature

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