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iupac periodic table
1

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IUPAC Periodic Table of the Elements

1

H

2

He helium hydrogen
[1.007; 1.009]

2

3

4

Li

beryllium
9.012

11

14

15

16

17

4.003

5

atomic number

Be

lithium
[6.938; 6.997]

13

Key:

6

7

8

9

10

O

F

Ne

boron

carbon

nitrogen

oxygen

fluorine

neon

[10.80; 10.83]

B

[12.00; 12.02]

[14.00; 14.01]

[15.99; 16.00]

19.00

20.18

12

13

14

15

16

17

18

Na

Mg

Al

Si

P

S

Cl

Ar

sodium

magnesium

4

5

6

7

8

9

10

11

12

silicon

phosphorus

sulfur

chlorine

argon

24.31

3

aluminium

22.99

26.98

[28.08; 28.09]

30.97

[32.05; 32.08]

[35.44; 35.46]

39.95

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

Symbol name standard atomic weight

C

N

K

Ca

Sc

Ti

V

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Se

Br

Kr

potassium

calcium

scandium

titanium

vanadium

chromium

manganese

iron

cobalt

nickel

copper

zinc

gallium

germanium

arsenic

selenium

bromine

krypton

39.10

40.08

44.96

47.87

50.94

52.00

54.94

55.85

58.93

58.69

63.55

65.38(2)

69.72

72.63

74.92

78.96(3)

79.90

83.80

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

Rb

Sr

Y

Zr

Nb

Mo

Tc

Ru

Rh

Pd

Ag

Cd

In

Sn

Sb

Te

I

Xe

technetium

ruthenium

rhodium

palladium

silver

cadmium

indium

tin

antimony

tellurium

iodine

xenon

101.1

102.9

106.4

107.9

112.4

114.8

118.7

121.8

127.6

126.9

131.3

rubidium

strontium

yttrium

zirconium

niobium

molybdenum

85.47

87.62

88.91

91.22

92.91

95.96(2)

55
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