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Periodic Table of Elements

  • Classic
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  • Minimal
  • Discovery
  • State
  • Substance
  • Color
  • Hardcore
    Discovery and assignment
  • Atomic number
  • Symbol
  • Name
    RuEnLat
  • Discovered by
  • Year of discovery
  • Country of discovery
    Flag
    Electronic characteristics
  • Electronic configuration
  • Atomic radiuspmra
  • Covalent radiuspmrcov
  • First ionization energykJ/mol
  • Second ionization energykJ/mol
  • Third ionization energykJ/mol
  • Electron affinitykJ/molEea
  • ElectronegativitykJ/mol𝜒
  • Oxidation stateOS
  • Term symbol
    Physical characteristics
  • Melting point
    CFK
  • Enthalpy of fusionkJ/molΔH(fus)
  • Boiling point
    CFK
  • Densityg/cm3𝜌
  • Specific HeatJ/(kg•K)C
  • Thermal conductivityW/(m•K)k
  • Electrical conductivityS/mσ
  • State of matter
  • Poisson ratio
  • Brinell HardnessMPa
  • Mohs Hardness
  • Vickers HardnessMPa
  • Bulk ModulusGPa
  • Shear ModulusGPa
  • Young ModulusGPa
  • Molar volumem3/mol
    Nuclear characteristics
  • Atomic weightuma
  • RadioactivityA
  • Half-lifet1/2
    Simple substances’ characteristics
  • Crystal structure
  • Price per kg
    $
    log
  • Lattice Constantspm
  • Space Group Name
  • Color
    Natural compounds
  • Abundance in Earth’s crust%
  • Abundance in the Sun%
  • Abundance in seawaterkg/L
  • Abundance in human body%
  • Abundance in Universe%
  • Occurrence in nature
    View
  • Groups
    4IVB
  • Periods
  • Legend
  • Mendeleev’s portrait
  • Table header
  • Metallic character
  • Cell borders
  • Background
  • Cell

1

H

1.01

2.2

-259.14

-252.87

0.0000899

1s1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

2

He

4

-268.93

0.0001785

1s2

3

Li

6.94

0.98

180.54

1342

0.535

[He] 2s1

4

Be

9.01

1.57

1287

2470

1.848

[He] 2s2

 
 
 
 
 
 
 
 
 
 
 

5

B

10.81

2.04

2075

4000

2.46

[He] 2s2 2p1

6

C

12.01

2.55

3550

4027

2.26

[He] 2s2 2p2

7

N

14.01

3.04

-210.1

-195.79

0.001251

[He] 2s2 2p3

8

O

15.99

3.44

-218.3

-182.9

0.001429

[He] 2s2 2p4

9

F

18.99

3.98

-219.6

-188.12

0.001696

[He] 2s2 2p5

10

Ne

20.18

-248.59

-246.08

0.0009

[He] 2s2 2p6

11

Na

22.99

0.93

97.72

883

0.968

[Ne] 3s1

12

Mg

24.3

1.31

650

1090

1.738

[Ne] 3s2

 
 
 
 
 
 
 
 
 
 
 

13

Al

26.98

1.61

660.32

2519

2.7

[Ne] 3s2 3p1

14

Si

28.08

1.9

1414

2900

2.33

[Ne] 3s2 3p2

15

P

30.97

2.19

44.2

280.5

1.823

[Ne] 3s2 3p3

16

S

32.06

2.58

115.21

444.72

1.96

[Ne] 3s2 3p4

17

Cl

35.45

3.16

-101.5

-34.04

0.003214

[Ne] 3s2 3p5

18

Ar

39.95

-189.3

-185.8

0.001784

[Ne] 3s2 3p6

19

K

39.1

0.82

63.38

759

0.856

[Ar] 4s1

20

Ca

40.08

1

842

1484

1.55

[Ar] 4s2

 

21

Sc

44.96

1.36

1541

2830

2.985

[Ar] 4s2 3d1

22

Ti

47.87

1.54

1668

3287

4.507

[Ar] 4s2 3d2

23

V

50.94

1.63

1910

3407

6.11

[Ar] 4s2 3d3

24

Cr

51.99

1.66

1907

2671

7.14

[Ar] 4s1 3d5

25

Mn

54.94

1.55

1246

2061

7.47

[Ar] 4s2 3d5

26

Fe

55.85

1.83

1538

2861

7.874

[Ar] 4s2 3d6

27

Co

58.93

1.88

1495

2927

8.9

[Ar] 4s2 3d7

28

Ni

58.69

1.91

1455

2913

8.908

[Ar] 4s2 3d8

29

Cu

63.55

1.9

1084.62

2562

8.92

[Ar] 4s1 3d10

30

Zn

65.38

1.65

419.53

907

7.14

[Ar] 4s2 3d10

31

Ga

69.72

1.81

29.76

2204

5.904

[Ar] 4s2 3d10 4p1

32

Ge

72.63

2.01

938.3

2820

5.323

[Ar] 4s2 3d10 4p2

33

As

74.92

2.18

817

614

5.727

[Ar] 4s2 3d10 4p3

34

Se

78.97

2.55

221

685

4.819

[Ar] 4s2 3d10 4p4

35

Br

79.9

2.96

-7.3

59

3.112

[Ar] 4s2 3d10 4p5

36

Kr

83.8

3

-157.36

-153.22

0.00375

[Ar] 4s2 3d10 4p6

37

Rb

85.47

0.82

39.31

688

1.532

[Kr] 5s1

38

Sr

87.62

0.95

777

1382

2.63

[Kr] 5s2

 

39

Y

88.91

1.22

1526

3345

4.472

[Kr] 5s2 4d1

40

Zr

91.22

1.33

1855

4409

6.511

[Kr] 5s2 4d2

41

Nb

92.91

1.6

2477

4744

8.57

[Kr] 5s1 4d4

42

Mo

95.95

2.16

2623

4639

10.28

[Kr] 5s1 4d5

43

Tc

(97)

1.9

2157

4265

11.5

[Kr] 5s2 4d5

44

Ru

101.07

2.2

2334

4150

12.37

[Kr] 5s1 4d7

45

Rh

102.91

2.28

1964

3695

12.45

[Kr] 5s1 4d8

46

Pd

106.42

2.2

1554.9

2963

12.023

[Kr] 4d10

47

Ag

107.87

1.93

961.78

2162

10.49

[Kr] 5s1 4d10

48

Cd

112.41

1.69

321.07

767

8.65

[Kr] 5s2 4d10

49

In

114.82

1.78

156.6

2072

7.31

[Kr] 5s2 4d10 5p1

50

Sn

118.71

1.96

231.93

2602

7.31

[Kr] 5s2 4d10 5p2

51

Sb

121.76

2.05

630.63

1587

6.697

[Kr] 5s2 4d10 5p3

52

Te

127.6

2.1

449.51

988

6.24

[Kr] 5s2 4d10 5p4

53

I

126.9

2.66

113.7

184.3

4.94

[Kr] 5s2 4d10 5p5

54

Xe

131.29

2.6

-111.8

-108

0.0059

[Kr] 5s2 4d10 5p6

55

Cs

132.91

0.79

28.44

671

1.879

[Xe] 6s1

56

Ba

137.33

0.89

727

1870

3.51

[Xe] 6s2

57—71

La

 

 

 

 

 

 

Lu

 

 

 

 

 

 

72

Hf

178.49

1.3

2233

4603

13.31

[Xe] 6s2 4f14 5d2

73

Ta

180.95

1.5

3017

5458

16.65

[Xe] 6s2 4f14 5d3

74

W

183.84

2.36

3422

5555

19.25

[Xe] 6s2 4f14 5d4

75

Re

186.21

1.9

3186

5596

21.02

[Xe] 6s2 4f14 5d5

76

Os

190.23

2.2

3033

5012

22.61

[Xe] 6s2 4f14 5d6

77

Ir

192.22

2.2

2466

4428

22.65

[Xe] 6s2 4f14 5d7

78

Pt

195.08

2.28

1768.3

3825

21.09

[Xe] 6s1 4f14 5d9

79

Au

196.97

2.54

1064.18

2856

19.3

[Xe] 6s1 4f14 5d10

80

Hg

200.59

2

-38.83

356.73

13.534

[Xe] 6s2 4f14 5d10

81

Tl

204.38

1.62

304

1473

11.85

[Xe] 6s2 4f14 5d10 6p1

82

Pb

207.2

2.33

327.46

1749

11.34

[Xe] 6s2 4f14 5d10 6p2

83

Bi

208.98

2.02

271.3

1564

9.78

[Xe] 6s2 4f14 5d10 6p3

84

Po

(209)

2

254

962

9.196

[Xe] 6s2 4f14 5d10 6p4

85

At

(210)

2.2

302

6.35

[Xe] 6s2 4f14 5d10 6p5

86

Rn

(222)

-71

-61.7

0.00973

[Xe] 6s2 4f14 5d10 6p6

87

Fr

(223)

0.7

[Rn] 7s1

88

Ra

(226)

0.9

700

1737

5.5

[Rn] 7s2

89—103

Ac

 

 

 

 

 

 

Lr

 

 

 

 

 

 

104

Rf

(267)

[Rn] 7s2 5f14 6d2

105

Db

(270)

[Rn] 7s2 5f14 6d3

106

Sg

(269)

[Rn] 7s2 5f14 6d4

107

Bh

(270)

[Rn] 7s2 5f14 6d5

108

Hs

(270)

[Rn] 7s2 5f14 6d6

109

Mt

(278)

[Rn] 7s2 5f14 6d7

110

Ds

(281)

[Rn] 7s1 5f14 6d9

111

Rg

(281)

[Rn] 7s1 5f14 6d10

112

Cn

(285)

[Rn] 7s2 5f14 6d10

113

Nh

(286)

[Rn] 7s2 5f14 6d10 7p1

114

Fl

(289)

[Rn] 7s2 5f14 6d10 7p2

115

Mc

(289)

[Rn] 7s2 5f14 6d10 7p3

116

Lv

(293)

[Rn] 7s2 5f14 6d10 7p4

117

Ts

(293)

[Rn] 7s2 5f14 6d10 7p5

118

Og

(294)

[Rn] 7s2 5f14 6d10 7p6

57

La

138.91

1.1

919

3464

6.146

[Xe] 6s2 5d1

58

Ce

140.12

1.12

798

3360

6.689

[Xe] 6s2 4f1 5d1

59

Pr

140.91

1.13

931

3290

6.64

[Xe] 6s2 4f3

60

Nd

144.24

1.14

1021

3100

7.01

[Xe] 6s2 4f4

61

Pm

(145)

1100

3000

7.264

[Xe] 6s2 4f5

62

Sm

150.36

1.17

1072

1803

7.353

[Xe] 6s2 4f6

63

Eu

151.96

822

1527

5.244

[Xe] 6s2 4f7

64

Gd

157.25

1.2

1313

3250

7.901

[Xe] 6s2 4f7 5d1

65

Tb

158.93

1356

3230

8.219

[Xe] 6s2 4f9

66

Dy

162.5

1.22

1412

2567

8.551

[Xe] 6s2 4f10

67

Ho

164.93

1.23

1474

2700

8.795

[Xe] 6s2 4f11

68

Er

167.26

1.24

1497

2868

9.066

[Xe] 6s2 4f12

69

Tm

168.93

1.25

1545

1950

9.321

[Xe] 6s2 4f13

70

Yb

173.05

819

1196

6.57

[Xe] 6s2 4f14

71

Lu

174.97

1.27

1663

3402

9.841

[Xe] 6s2 4f14 5d1

89

Ac

(227)

1.1

1050

3200

10.07

[Rn] 7s2 6d1

90

Th

232.04

1.3

1750

4820

11.724

[Rn] 7s2 6d2

91

Pa

231.04

1.5

1572

4000

15.37

[Rn] 7s2 5f2 6d1

92

U

238.03

1.38

1135

3927

19.05

[Rn] 7s2 5f3 6d1

93

Np

(237)

1.36

644

4000

20.45

[Rn] 7s2 5f4 6d1

94

Pu

(244)

1.28

640

3230

19.816

[Rn] 7s2 5f6

95

Am

(243)

1.3

1176

2011

12

[Rn] 7s2 5f7

96

Cm

(247)

1.3

1345

3110

13.51

[Rn] 7s2 5f7 6d1

97

Bk

(247)

1.3

1050

14.78

[Rn] 7s2 5f9

98

Cf

(251)

1.3

900

15.1

[Rn] 7s2 5f10

99

Es

(252)

1.3

860

[Rn] 7s2 5f11

100

Fm

(257)

1.3

1527

[Rn] 7s2 5f12

101

Md

(258)

1.3

828

[Rn] 7s2 5f13

102

No

(259)

1.3

828

[Rn] 7s2 5f14

103

Lr

(262)

1627

[Rn] 7s2 5f14 7p1

  • 19

    Atomic number

  • K

    Symbol

  • 39.1

    u

    Atomic weight

  • 0.82

    kJ/mol

    Electronegativity

  • 63.38

    Melting point

  • 759

    Boiling point

  • 0.856

    g/cm3

    Density

  • [Ar] 4s1

    Electronic configuration