Periodic Table of the Elements

Periodic Table With Isotopes Amu
Numbers in parentheses are atomic mass numbers of most stable isotopes.

^ Lanthanoids

57

58

59

60

61

62

63

64

65

66

67

68

69

70

La

Ce

Pr

Nd

Pm

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb

138.9055

140.115

140.908

144.24

(145)

150.36

151.966

157.25

158.9253

162.500

164.9303

167.26

168.9342

173.04

*Actinoids

89

90

91

92

93

94

95

96

97

98

99

100

101

102

Ac

Th

Pa

U

Np

Pu

Am

Cm

Bk

ct

Es

Fm

Md

No

(227)

232.0381

231.036

238.0289

(237)

(244)

243

(247)

(247)

(251)

(252)

(257)

(258)

(259)

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Periodic Table of the Elements

(g) none

(c) nonmetallics

element

symbol

a.n.

carbon

C

6

hydrogen

H

1

(g) chalcogen

(c) nonmetallics

element

symbol

a.n.

oxygen

0

8

polonium

Po

84

selenium

Se

34

sulfur

S

16

tellurium

Te

52

ununhexium Uuh

116

(g) alkali metal

(c) metallics

element

symbol

a.n.

cesium

Cs

55

francium

Fr

87

lithium

Li

potassium

K

19

rubidium

Rb

37

sodium

Na

11

(g) alkaline earth metal

(c) metallics

element

symbol

a.n.

barium

Ba

56

beryllium

Be

4

calcium

Ca

20

magnesium

Mg

12

radium

Ra

88

strontium

Sr

38

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(g) none (c) metallics

element symbol

a.n

aluminum

Al

13

bohrlum

Bh

107

cadmium

Cd

48

chromium

Cr

24

cobalt

Co

27

copper

Cu***

29

darmstadium

Ds

110

dubnlum

Db

105

gallium

Ga

31

gold

Au***

79

hafnium

Hf

72

hassium

Hs

108

indium

In

49

iridium

Ir »»«.

77

iron

Fe

26

lawrencium

Lr

103

lead

Pb

82

lutetium

Lu

71

manganese

Mn

25

meitnerium

Mt

109

mercury

Hq

80

molybdenum

Mo

42

nickel

Ni

28

niobium

Nb

41

osmium

Os**«*

76

palladium

Pd

46

platinum

Pt ****

78

rhenium

Re

75

radium

Rh****

45

roentgenium

Rq

111

ruthenium

Ru***.

44

rutherfordium

Rf

104

(g) none (c) semimetallics element symbol an. boron B 5

germanium Ge 32 silicon SI 14

element scandium seaborgium silver tantalum technetium thallium titanium tin tungsten ununbium ununtrium ununquadium vanadium yttrium zinc zirconium

symbol

a.n.

Sc

21

sg

106

Ago««

47

Ta

73

Tc

43

Tl

81

Ti

22

Sn

50

W

74

Uub

112

Uut

113

Uuq

114

V

23

Y

39

Zn

30

Zr

40

(g) pnictogen (c) metallics element symbol a.n.

arsenic As* 33

antimony 5b* 51

bismuth Bi 83

nitrogen N 7

phosophorus P** 15

ununpentium Uup 115

(g) none (c) semimetallics element symbol an. boron B 5

germanium Ge 32 silicon SI 14

(g) pnictogen (c) metallics element symbol a.n.

(g) actinold (c) metallics

element

symbol

a.n.

actinium

Ac

89

americium

Am

95

berkelium

Bk

97

californium

Cf

98

curium

Cm

96

einsteinium

Es

99

fermium

Fm

100

mendelevlum

Md

101

neptunium

Np

93

nobellum

No

102

Plutonium

Pu

94

protactinium

Pa

91

thorium

Th

90

uranium

U

92

(g) halogens (c) nonmetallics

element

symbol

a.n.

astatine

At*

85

bromine

Br

35

chlorine

CI

17

fluorine

F

9

Iodine

1

53

ununseptium

Uus*

117

a n. = atomic number (g) = group (c) = classification

(g) lanthanoid (c) metallics

element

symbol

a.n.

cerium

Ce

58

dysprosium

Dy

66

erbium

Er

68

europium

Eu

63

gadolinium

Gd

64

holmium

Ho

67

lanthanum

La

57

neodymlum

Nd

60

praseodymium Pr

59

Promethium

Pm

61

samarium

Sm

62

terbium

Tb

65

thulium

Tm

69

ytterbium

Yb

70

(g) noble gases (c) nonmetallics

element

symbol

a.n.

argon

Ar

18

helium

He

2

krypton

Kr

36

neon

Ne

10

radon

Rn

86

xenon

Xe

54

ununoctium

Uuo

118

* = semimetallics (c) ** = nonmetallics (c) *** = coinage metal (g) **** = precious metal (g)

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