Periodic table of the elements

1
H
1.00794

 

2
He
4.002602

3
Li
6.941

4
Be
9.012182

 

5
B
10.811

6
C
12.0107

7
N
14.00674

8
O
15.9994

9
F
18.9984032

10
Ne
20.1797

11
Na
22.989770

12
Mg
24.3050

 

13
Al
26.981538

14
Si
28.0855

15
P
30.973761

16
S
32.066

17
Cl
35.4527

18
Ar
39.948

19
K
39.0983

20
Ca
40.078

21
Sc
44.95591

22
Ti
47.867

23
V
50.9415

24
Cr
51.9961

25
Mn
54.938049

26
Fe
55.845

27
Co
58.9332

28
Ni
58.6934

29
Cu
63.546

30
Zn
65.39

31
Ga
69.723

32
Ge
72.61

33
As
74.92160

34
Se
78.96

35
Br
79.904

36
Kr
83.80

37
Rb
85.4678

38
Sr
87.62

39
Y
88.90585

40
Zr
91.224

41
Nb
92.90638

42
Mo
95.94

43
Tc
(98)

44
Ru
101.07

45
Rh
102.9055

46
Pd
106.42

47
Ag
107.8682

48
Cd
112.411

49
In
114.818

50
Sn
118.710

51
Sb
121.760

52
Te
127.60

53
I
126.90447

54
Xe
131.29

55
Cs
132.90545

56
Ba
137.327

*

72
Hf
178.49

73
Ta
180.9479

74
W
183.84

75
Re
186.207

76
Os
190.23

77
Ir
192.217

78
Pt
195.078

79
Au
196.96655

80
Hg
200.59

81
Tl
204.3833

82
Pb
207.2

83
Bi
208.98038

84
Po
(209)

85
At
(210)

86
Rn
(222)

87
Fr
(223)

88
Ra
(226)

**

104
Rf
(261)

105
Db
(262)

106
Sg
(263)
107
Bh
(262)
108
Hs
(265)
109
Mt
(266)
110
Uun
(269)
111
Uuu
(272)
112
Uub
(277)
 

 

 

 

 

 

 

 

 

 

 

 

*Lanthanide Series 57
La
138.9055
58
Ce
140.116
59
Pr
140.90765
60
Nd
144.24
61
Pm
(145)
62
Sm
150.36
63
Eu
151.964
64
Gd
157.25
65
Tb
158.92534
66
Dy
162.50
67
Ho
164.93032
68
Er
167.26
69
Tm
168.93421
70
Yb
173.04
71
Lu
174.967
**Actinide Series 89
Ac
(227)
90
Th
232.0381
91
Pa
231.03588
92
U
238.0289
93
Np
(237)
94
Pu
(244)
95
Am
(243)
96
Cm
(247)
97
Bk
(247)
98
Cf
(251)
99
Es
(252)
100
Fm
(257)
101
Md
(258)
102
No
(259)
103
Lr
(262)

 

 

By atomic number

By name

By symbol

Atomic number

Name

Symbol

Name

Atomic number

Symbol

Symbol

Name

Atomic number

1

Hydrogen

H

Actinium

89

Ac

Ac

Actinium

89

2

Helium

He

Aluminum

13

Al

Ag

Silver

47

3

Lithium

Li

Americium

95

Am

Al

Aluminum

13

4

Beryllium

Be

Antimony

51

Sb

Am

Americium

95

5

Boron

B

Argon

18

Ar

Ar

Argon

18

6

Carbon

C

Arsenic

33

As

As

Arsenic

33

7

Nitrogen

N

Astatine

85

At

At

Astatine

85

8

Oxygen

O

Barium

56

Ba

Au

Gold

79

9

Fluorine

F

Berkelium

97

Bk

B

Boron

5

10

Neon

Ne

Beryllium

4

Be

Ba

Barium

56

11

Sodium

Na

Bismuth

83

Bi

Be

Beryllium

4

12

Magnesium

Mg

Bohrium

107

Bh

Bh

Bohrium

107

13

Aluminum

Al

Boron

5

B

Bi

Bismuth

83

14

Silicon

Si

Bromine

35

Br

Bk

Berkelium

97

15

Phosphorus

P

Cadmium

48

Cd

Br

Bromine

35

16

Sulfur

S

Calcium

20

Ca

C

Carbon

6

17

Chlorine

Cl

Californium

98

Cf

Ca

Calcium

20

18

Argon

Ar

Carbon

6

C

Cd

Cadmium

48

19

Potassium

K

Cerium

58

Ce

Ce

Cerium

58

20

Calcium

Ca

Cesium

55

Cs

Cf

Californium

98

21

Scandium

Sc

Chlorine

17

Cl

Cl

Chlorine

17

22

Titanium

Ti

Chromium

24

Cr

Cm

Curium

96

23

Vanadium

V

Cobalt

27

Co

Co

Cobalt

27

24

Chromium

Cr

Copper

29

Cu

Cr

Chromium

24

25

Manganese

Mn

Curium

96

Cm

Cs

Cesium

55

26

Iron

Fe

Dubnium

105

Db

Cu

Copper

29

27

Cobalt

Co

Dysprosium

66

Dy

Db

Dubnium

105

28

Nickel

Ni

Einsteinium

99

Es

Dy

Dysprosium

66

29

Copper

Cu

Erbium

68

Er

Er

Erbium

68

30

Zinc

Zn

Europium

63

Eu

Es

Einsteinium

99

31

Gallium

Ga

Fermium

100

Fm

Eu

Europium

63

32

Germanium

Ge

Fluorine

9

F

F

Fluorine

9

33

Arsenic

As

Francium

87

Fr

Fe

Iron

26

34

Selenium

Se

Gadolinium

64

Gd

Fm

Fermium

100

35

Bromine

Br

Gallium

31

Ga

Fr

Francium

87

36

Krypton

Kr

Germanium

32

Ge

Ga

Gallium

31

37

Rubidium

Rb

Gold

79

Au

Gd

Gadolinium

64

38

Strontium

Sr

Hafnium

72

Hf

Ge

Germanium

32

39

Yttrium

Y

Hassium

108

Hs

H

Hydrogen

1

40

Zirconium

Zr

Helium

2

He

He

Helium

2

41

Niobium

Nb

Holmium

67

Ho

Hf

Hafnium

72

42

Molybdenum

Mo

Hydrogen

1

H

Hg

Mercury

80

43

Technetium

Tc

Indium

49

In

Ho

Holmium

67

44

Ruthenium

Ru

Iodine

53

I

Hs

Hassium

108

45

Rhodium

Rh

Iridium

77

Ir

I

Iodine

53

46

Palladium

Pd

Iron

26

Fe

In

Indium

49

47

Silver

Ag

Krypton

36

Kr

Ir

Iridium

77

48

Cadmium

Cd

Lanthanum

57

La

K

Potassium

19

49

Indium

In

Lawrencium

103

Lr

Kr

Krypton

36

50

Tin

Sn

Lead

82

Pb

La

Lanthanum

57

51

Antimony

Sb

Lithium

3

Li

Li

Lithium

3

52

Tellurium

Te

Lutetium

71

Lu

Lr

Lawrencium

103

53

Iodine

I

Magnesium

12

Mg

Lu

Lutetium

71

54

Xenon

Xe

Manganese

25

Mn

Md

Mendelevium

101

55

Cesium

Cs

Meitnerium

109

Mt

Mg

Magnesium

12

56

Barium

Ba

Mendelevium

101

Md

Mn

Manganese

25

57

Lanthanum

La

Mercury

80

Hg

Mo

Molybdenum

42

58

Cerium

Ce

Molybdenum

42

Mo

Mt

Meitnerium

109

59

Praseodymium

Pr

Neodymium

60

Nd

N

Nitrogen

7

60

Neodymium

Nd

Neon

10

Ne

Na

Sodium

11

61

Promethium

Pm

Neptunium

93

Np

Nb

Niobium

41

62

Samarium

Sm

Nickel

28

Ni

Nd

Neodymium

60

63

Europium

Eu

Niobium

41

Nb

Ne

Neon

10

64

Gadolinium

Gd

Nitrogen

7

N

Ni

Nickel

28

65

Terbium

Tb

Nobelium

102

No

No

Nobelium

102

66

Dysprosium

Dy

Osmium

76

Os

Np

Neptunium

93

67

Holmium

Ho

Oxygen

8

O

O

Oxygen

8

68

Erbium

Er

Palladium

46

Pd

Os

Osmium

76

69

Thulium

Tm

Phosphorus

15

P

P

Phosphorus

15

70

Ytterbium

Yb

Platinum

78

Pt

Pa

Protactinium

91

71

Lutetium

Lu

Plutonium

94

Pu

Pb

Lead

82

72

Hafnium

Hf

Polonium

84

Po

Pd

Palladium

46

73

Tantalum

Ta

Potassium

19

K

Pm

Promethium

61

74

Wolfram

W

Praseodymium

59

Pr

Po

Polonium

84

75

Rhenium

Re

Promethium

61

Pm

Pr

Praseodymium

59

76

Osmium

Os

Protactinium

91

Pa

Pt

Platinum

78

77

Iridium

Ir

Radium

88

Ra

Pu

Plutonium

94

78

Platinum

Pt

Radon

86

Rn

Ra

Radium

88

79

Gold

Au

Rhenium

75

Re

Rb

Rubidium

37

80

Mercury

Hg

Rhodium

45

Rh

Re

Rhenium

75

81

Thallium

Tl

Rubidium

37

Rb

Rf

Rutherfordium

104

82

Lead

Pb

Ruthenium

44

Ru

Rh

Rhodium

45

83

Bismuth

Bi

Rutherfordium

104

Rf

Rn

Radon

86

84

Polonium

Po

Samarium

62

Sm

Ru

Ruthenium

44

85

Astatine

At

Scandium

21

Sc

S

Sulfur

16

86

Radon

Rn

Seaborgium

106

Sg

Sb

Antimony

51

87

Francium

Fr

Selenium

34

Se

Sc

Scandium

21

88

Radium

Ra

Silicon

14

Si

Se

Selenium

34

89

Actinium

Ac

Silver

47

Ag

Sg

Seaborgium

106

90

Thorium

Th

Sodium

11

Na

Si

Silicon

14

91

Protactinium

Pa

Strontium

38

Sr

Sm

Samarium

62

92

Uranium

U

Sulfur

16

S

Sn

Tin

50

93

Neptunium

Np

Tantalum

73

Ta

Sr

Strontium

38

94

Plutonium

Pu

Technetium

43

Tc

Ta

Tantalum

73

95

Americium

Am

Tellurium

52

Te

Tb

Terbium

65

96

Curium

Cm

Terbium

65

Tb

Tc

Technetium

43

97

Berkelium

Bk

Thallium

81

Tl

Te

Tellurium

52

98

Californium

Cf

Thorium

90

Th

Th

Thorium

90

99

Einsteinium

Es

Thulium

69

Tm

Ti

Titanium

22

100

Fermium

Fm

Tin

50

Sn

Tl

Thallium

81

101

Mendelevium

Md

Titanium

22

Ti

Tm

Thulium

69

102

Nobelium

No

Uranium

92

U

U

Uranium

92

103

Lawrencium

Lr

Vanadium

23

V

V

Vanadium

23

104

Rutherfordium

Rf

Wolfram

74

W

W

Wolfram

74

105

Dubnium

Db

Xenon

54

Xe

Xe

Xenon

54

106

Seaborgium

Sg

Ytterbium

70

Yb

Y

Yttrium

39

107

Bohrium

Bh

Yttrium

39

Y

Yb

Ytterbium

70

108

Hassium

Hs

Zinc

30

Zn

Zn

Zinc

30

109

Meitnerium

Mt

Zirconium

40

Zr

Zr

Zirconium

40