The Dynamic Periodic Table of Elements


The periodic table shows the chemical elements, ordered by their atomic number, electron configuration, and its chemical properties.
Table rows are called periods and columns are called groups.



1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1.008
H

Hydrogen

1
6.941
Li

Lithium

3
9.012
Be

Beryllium

4
22.99
Na

Sodium

11
24.305
Mg

Magnesium

12
Elemento
Isotopes:
Electron Configuration:
Oxidation States:
Electronegativity:
39.098
K

Potassium

19
40.078
Ca

Calcium

20
44.956
Sc

Scandium

21
47.88
Ti

Titanium

22
50.942
V

Vanadium

23
51.996
Cr

Chromium

24
54.938
Mn

Manganese

25
55.847
Fe

Iron

26
58.933
Co

Cobalt

27
58.693
Ni

Nickel

28
63.546
Cu

Copper

29
65.39
Zn

Zinc

30
69.723
Ga

Gallium

31
72.61
Ge

Germanium

32
74.922
As

Arsenic

33
78.96
Se

Selenium

34
79.904
Br

Bromine

35
83.8
Kr

Krypton

36
85.468
Rb

Rubidium

37
87.62
Sr

Strontium

38
88.906
Y

Yttrium

39
91.224
Zr

Zirconium

40
92.906
Nb

Niobium

41
95.94
Mo

Molybdenum

42
97.907
Tc

Technetium

43
101.07
Ru

Ruthenium

44
102.905
Rh

Rhodium

45
106.42
Pd

Palladium

46
107.868
Ag

Silver

47
112.411
Cd

Cadmium

48
114.818
In

Indium

49
118.71
Sn

Tin

50
121.76
Sb

Antimony

51
127.6
Te

Tellurium

52
126.904
I

Iodine

53
131.29
Xe

Xenon

54
132.905
Cs

Cesium

55
137.327
Ba

Barium

56
178.49
Hf

Hafnium

72
180.948
Ta

Tantalum

73
183.84
W

Tungsten

74
186.207
Re

Rhenium

75
190.23
Os

Osmium

76
192.22
Ir

Iridium

77
195.08
Pt

Platinum

78
196.966
Au

Gold

79
200.59
Hg

Mercury

80
204.383
Tl

Thallium

81
207.2
Pb

Lead

82
208.98
Bi

Bismuth

83
208.982
Po

Polonium

84
209.987
At

Astatine

85
222.018
Rn

Radon

86
223.02
Fr

Francium

87
226.025
Ra

Radium

88
[261]
Rf

Rutherfordium

104
[262]
Db

Dubnium

105
[266]
Sg

Seaborgium

106
[264]
Bh

Bohrium

107
[269]
Hs

Hassium

108
[268]
Mt

Meitnerium

109
[269]
Ds

Darmstadtium

110
[272]
Rg

Roentgentium

111
[277]
Cn

Copernicum

112
-
Nh

Nihonium

113
[289]
Fl

Flerovium

114
-
Mc

Moscovium

115
-
Lv

Livermorium

116
-
Ts

Tennessine

117
-
Og

Oganesson

118

138.905
La

Lanthanum

57
140.115
Ce

Cerium

58
140.908
Pr

Praseodymium

59
144.24
Nd

Neodymium

60
144.913
Pm

Promethium

61
150.36
Sm

Samarium

62
151.965
Eu

Europium

63
157.25
Gd

Gadolinium

64
158.925
Tb

Terbium

65
162.5
Dy

Dysprosium

66
164.93
Ho

Holmium

67
167.26
Er

Erbium

68
168.934
Tm

Thulium

69
173.04
Yb

Ytterbium

70
174.967
Lu

Lutetium

71
227.028
Ac

Actinium

89
232.038
Th

Thorium

90
231.036
Pa

Protactinium

91
238.029
U

Uranium

92
237.048
Np

Neptunium

93
244.064
Pu

Plutonium

94
243.061
Am

Americium

95
247.07
Cm

Curium

96
247.07
Bk

Berkelium

97
251.08
Cf

Californium

98
252.083
Es

Einsteinium

99
257.095
Fm

Fermium

100
258.1
Md

Mendelevium

101
262.11
Lr

Lawrencium

103


The List Elements of Elements


Atomic Number Name Symbol Electronic Configuration Isotopes Oxidation Electronegativity Atomic Mass Number
0 Hydrogen H 1s1 1H   2H   3H +1 -1 2.2 1.008
1 Helium He 1s² 3He   4He - - 4.003
2 Lithium Li [He]2s1 6Li   7Li +1 0.98 6.941
3 Beryllium Be [He]2s² 9Be +2 1.57 9.012
4 Boron B [He]2s²2p1 10B   11B ±3 2.04 10.811
5 Carbon C [He]2s²2p² 12C   13C   14C +2 ±4 2.55 12.011
6 Nitrogen N [He]2s²2p³ 14N   15N +4 +5 ±1 ±2 ±3 3.04 14.007
7 Oxygen O [He]2s²2p4 16O   17O   18O -2 -1 3.44 15.999
8 Fluorine F [He]2s²2p5 19F -1 3.98 18.998
9 Neon Ne [He]2s²2p6 20Ne   21Ne   22Ne - 0 20.18
10 Sodium Na [Ne]3s1 23Na +1 0.93 22.99
11 Magnesium Mg [Ne]3s² 24Mg   25Mg   26Mg +2 1.31 24.305
12 Aluminum Al [Ne]3s²3p1 27Al +3 1.61 26.982
13 Silicon Si [Ne]3s²3p² 28Si   29Si   30Si +2 ±4 1.9 28.086
14 Phosphorus P [Ne]3s²3p³ 31P ±3 +5 2.19 30.974
15 Sulfur S [Ne]3s²3p4 32S   33S   34S   36S ±2 +4 +6 2.58 32.066
16 Chlorine Cl [Ne]3s²3p5 35Cl   37Cl ±1 +3 +5 +7 3.16 35.453
17 Argon Ar [Ne]3s²3p6 36Ar   38Ar   40Ar - 0 39.948
18 Potassium K [Ar]4s1 39K   40K   41K 1 0.82 39.098
19 Calcium Ca [Ar]4s² 40Ca   42Ca   43Ca   44Ca   46Ca   48Ca 2 1 40.078
20 Scandium Sc [Ar]3d14s² 45Sc 3 1.36 44.956
21 Titanium Ti [Ar]3d²4s² 46Ti   47Ti   48Ti   49Ti   50Ti +2 +3 +4 1.54 47.88
22 Vanadium V [Ar]3d³4s² 50V   51V +2 +3 +4 +5 1.63 50.942
23 Chromium Cr [Ar]3d44s2 50Cr   52Cr   53Cr   54Cr +2 +3 +6 1.66 51.996
24 Manganese Mn [Ar]3d54s² 55Mn +2 +3 +4 +6 +7 1.55 54.938
25 Iron Fe [Ar]3d64s² 54Fe   56Fe   57Fe   58Fe +2 +3 1.83 55.847
26 Cobalt Co [Ar]3d74s² 59Co +2 +3 1.88 58.933
27 Nickel Ni [Ar]3d84s² 58Ni   60Ni   61Ni   62Ni   64Ni +2 +3 1.91 58.693
28 Copper Cu [Ar]3d104s1 63Cu   65Cu +1 +2 1.9 63.546
29 Zinc Zn [Ar]3d104s² 64Zn   66Zn   67Zn   68Zn   70Zn +2 1.65 65.39
30 Gallium Ga [Ar]3d104s²4p1 69Ga   70Ga +1 +3 1.81 69.723
31 Germanium Ge [Ar]3d104s²4p² 70Ge   72Ge   73Ge   74Ge   76Ge +2 +4 2.01 72.61
32 Arsenic As [Ar]3d104s²4p³ 75As ±3 +5 2.18 74.922
33 Selenium Se [Ar]3d104s²4p4 74Se   76Se   77Se   78Se   80Se   82Se -2 +4 +6 2.55 78.96
34 Bromine Br [Ar]3d104s²4p5 79Br   81Br ±1 +3 +5 +7 2.96 79.904
35 Krypton Kr [Ar]3d104s²4p6 78Kr   80Kr   82Kr   83Kr   84Kr   86Kr - 0 83.8
36 Rubidium Rb [Kr]5s1 85Rb   87Rb +1 0.82 85.468
37 Strontium Sr [Kr]5s² 84Sr   86Sr   87Sr   88Sr +2 0.95 87.62
38 Yttrium Y [Kr]4d15s² 89Y +3 1.22 88.906
39 Zirconium Zr [Kr]4d²5s² 90Zi   91Zi   92Zi   94Zi   96Zi +3 +4 1.33 91.224
40 Niobium Nb [Kr]4d45s1 93Nb +2 +3 +4 +5 1.6 92.906
41 Molybdenum Mo [Kr]4d55s1 92Mo   94Mo   95Mo   96Mo   97Mo   98Mo   100Mo +2 +3 +4 +5 +6 2.16 95.94
42 Technetium Tc [Kr]4d55s2 98Tc +4 +5 +6 +7 1.9 97.907
43 Ruthenium Ru [Kr]4d75s1 96Ru   98Ru   99Ru   100Ru   101Ru   102Ru   104Ru +2 +3 +4 +5 +6 +7 +8 2.2 101.07
44 Rhodium Rh [Kr]4d85s1 103Rh +2 +3 +4 +5 +6 2.28 102.905
45 Palladium Pd [Kr]4d10 102Pd   104Pd   105Pd   106Pd   108Pd   110Pd +2 +4 2.2 106.42
46 Silver Ag [Kr]4d105s1 107Ag   109Ag +1 1.93 107.868
47 Cadmium Cd [Kr]4d105s² 106Cd   108Cd   110Cd   111Cd   112Cd   113Cd   114Cd   116Cd +2 1.69 112.411
48 Indium In [Kr]4d105s²5p1 113In   115In +1 +3 1.78 114.818
49 Tin Sn [Kr]4d105s²5p² 112Sn   114Sn   115Sn   116Sn   117Sn   118Sn   119Sn   120Sn   122Sn   124Sn +2 +4 1.96 118.71
50 Antimony Sb [Kr]4d105s²5p³ 121Sb   123Sb ±3 +5 2.05 121.76
51 Tellurium Te [Kr]4d105s²5p4 120Te   122Te   123Te   124Te   125Te   126Te   128Te   130Te ±2 +4 +6 2.1 127.6
52 Iodine I [Kr]4d105s²5p5 127I ±1 +3 +5 +7 2.66 126.904
53 Xenon Xe [Kr]4d105s²5p6 124Xe   126Xe   128Xe   129Xe   130Xe   131Xe   132Xe   134Xe   136Xe - 0 131.29
54 Cesium Cs [Xe]6s1 136Cs +1 0.79 132.905
55 Barium Ba [Xe]6s² 130Ba   132Ba   134Ba   135Ba   136Ba   137Ba   138Ba +2 0.89 137.327
56 Lanthanum La [Xe]6d16s² 138La   139La +3 1.1 138.905
57 Cerium Ce [Xe]4f15d16s² 136Ce   138Ce   140Ce   142Ce +3 +4 1.12 140.115
58 Praseodymium Pr [Xe]4f³6s² 141Pr +3 +4 1.13 140.908
59 Neodymium Nd [Xe]4f46s² 142Nd   143Nd   144Nd   145Nd   146Nd   148Nd   150Nd +3 1.14 144.24
60 Promethium Pm [Xe]4f56s² 145Pm +3 0 144.913
61 Samarium Sm [Xe]4f66s² 144Sm   147Sm   148Sm   149Sm   150Sm   152Sm   154Sm +2 +3 1.17 150.36
62 Europium Eu [Xe]4f76s² 151Eu   153Eu +2 +3 0 151.965
63 Gadolinium Gd [Xe]4f75d16s² 152Gd   154Gd   155Gd   156Gd   157Gd   158Gd   160Gd +3 1.2 157.25
64 Terbium Tb [Xe]4f96s² 159Tb +3 +4 1.2 158.925
65 Dysprosium Dy [Xe]4f106s² 156Dy   158Dy   160Dy   161Dy   162Dy   163Dy   164Dy +3 - 162.5
66 Holmium Ho [Xe]4f116s² 165Ho +3 1.23 164.93
67 Erbium Er [Xe]4f126s² 162Er   164Er   166Er   167Er   168Er   170Er +3 1.24 167.26
68 Thulium Tm [Xe]4f136s² 169Tm +2 +3 1.25 168.934
69 Ytterbium Yb [Xe]4f146s² 168Yb   170Yb   171Yb   172Yb   173Yb   174Yb   176Yb +2 +3 1.1 173.04
70 Lutetium Lu [Xe]4f145d16s² 175Lu   176Lu +3 1.27 174.967
71 Hafnium Hf [Xe]4f145d²6s² 174Hf   176Hf   177Hf   178Hf   179Hf   180Hf +3 +4 1.3 178.49
72 Tantalum Ta [Xe]4f145d³6s² 180Ta   181Ta +3 +4 +5 1.5 180.948
73 Tungsten W [Xe]4f145d46s² 180W   182W   183W   184W   186W +2 +3 +4 +5 +6 1.7 183.84
74 Rhenium Re [Xe]4f145d56s² 185Re   187Re +2 +4 +6 +7 -1 1.9 186.207
75 Osmium Os [Xe]4f145d66s² 184Os   186Os   187Os   188Os   189Os   190Os   192Os 0 +2 +4 +6 +8 -2 2.2 190.23
76 Iridium Ir [Xe]4f145d76s² 191Ir   193Ir 0 +1 +2 +3 +4 +6 -1 2.2 192.22
77 Platinum Pt [Xe]4f145d96s1 190Pt   192Pt   194Pt   195Pt   196Pt   198Pt +2 +4 2.28 195.08
78 Gold Au [Xe]4f145d106s1 197Au +1 +3 2.54 196.966
79 Mercury Hg [Xe]4f145d106s² 196Hg   198Hg   199Hg   200Hg   201Hg   202Hg   204Hg +1 +2 2 200.59
80 Thallium Tl [Xe]4f145d106s²6p1 203Tl   205Tl +1 +3 1.62 204.383
81 Lead Pb [Xe]4f145d106s²6p² 204Pb   206Pb   207Pb  208Pb +2 +4 1.8 207.2
82 Bismuth Bi [Xe]4f145d106s²6p³ 209Bi +3 +5 2.02 208.98
83 Polonium Po [Xe]4f145d106s²6p4 209Po ±2 +4 +6 2 208.982
84 Astatine At [Xe]4f145d106s²6p5 210At ±1 +5 2.2 209.987
85 Radon Rn [Xe]4f145d106s²6p6 222Rn - - 222.018
86 Francium Fr [Rn]7s1 223Fr +1 0.7 223.02
87 Radium Ra [Rn]7s² 226Ra +2 0.9 226.025
88 Actinium Ac [Rn]6d17s² 227Ac +3 1.1 227.028
89 Thorium Th [Rn]6d27s² 232Th +4 1.3 232.038
90 Protactinium Pa [Rn]5f²6d17s² 231Pa +4 +5 1.5 231.036
91 Uranium U [Rn]5f³6d17s² 233U  234U   235U   236U   238U +3 +4 +5 +6 1.38 238.029
92 Neptunium Np [Rn]5f46d17s² 237Np +3 +4 +5 +6 1.36 237.048
93 Plutonium Pu [Rn]5f67s² 244Pu +3 +4 +5 +6 1.28 244.064
94 Americium Am [Rn]5f77s² 243Am +3 +4 +5 +6 1.3 243.061
95 Curium Cm [Rn]5f76d17s² 247Cm +3 +4 1.3 247.07
96 Berkelium Bk [Rn]5f97s² 247Bk +3 +4 1.3 247.07
97 Californium Cf [Rn]5f107s² 251Cf +3 +4 1.3 251.08
98 Einsteinium Es [Rn]5f117s² 252Es +3 1.3 252.083
99 Fermium Fm [Rn]5f127s² 257Fm +3 1.3 257.095
100 Mendelevium Md [Rn]5f137s² 258Md +3 1.3 258.1
101 Nobelium No [Rn]5f147s² 259No +2 +3 1.3 259.101
102 Lawrencium Lr [Rn]5f147s²7p1 262Lr +3 - 262.11
103 Rutherfordium Rf [Rn]5f146d²7s² 263Rf Desconocido - [261]
104 Dubnium Db [Rn]5f146d³7s² 262Db Desconocido - [262]
105 Seaborgium Sg [Rn]5f146d47s² 266Sg Desconocido - [266]
106 Bohrium Bh [Rn]5f146d57s² 264Bh Desconocido - [264]
107 Hassium Hs [Rn]5f146d67s² 269Hs Desconocido - [269]
108 Meitnerium Mt [Rn]5f146d77s² 268Mt Desconocido - [268]
109 Darmstadtium Ds [Rn]5f146d97s1 281Ds Desconocido - [269]
110 Roentgentium Rg [Rn]5f146d107s1 280Rg Desconocido - [272]
111 Copernicum Cn [Rn]5f146d107s² 285Cn Desconocido - [277]
112 Nihonium Nh [Rn]5f146d107s²7p1 286Nh Desconocido - -
113 Flerovium Fl [Rn]5f146d107s²7p2 289Fl Desconocido - [289]
114 Moscovium Mc [Rn]5f146d107s²7p3 289Mc Desconocido - -
115 Livermorium Lv [Rn]5f146d107s²7p4 293Lv Desconocido - -
116 Tennessine Ts [Rn]5f146d107s²7p5 294Ts Desconocido - -
117 Oganesson Og [Rn]5f146d107s²7p6 294Og Desconocido - -
Atomic Number Name Symbol Electronic Configuration Isotopos Oxidation atomic mass number

The Periodic Table of Elements


The periodic table shows the chemical elements, ordered by their atomic number, electron configuration, and its chemical properties. Table rows are called periods and columns are called groups.

Russian chemist Dmitri Mendeleev was the first to publish a recognizable periodic table in 1869. He developed it to illustrate periodic trends of the then-known elements but he also predicted some properties of unidentified elements that were expected to fill gaps within the table.

The first 98 elements exist in nature, although some are found only in trace amounts and others were synthesized in laboratories before being found in nature.

Elements 99 to 118 have been synthesized in laboratories or nuclear reactors. Higher atomic Elements are currently being pursued: these elements would begin an eighth row, and theoretical work has been done to suggest possible candidates for this extension.


The elements


Each chemical element has a unique atomic number (Z) and represents the number of protons in its nucleus. Most elements have different numbers of neutrons among different atoms, these variants are referred as isotopes.

The elements are listed in order of increasing atomic number (the number of protons in the nucleus of an atom). A new row (period) is started when a new electron shell has its first electron.

Columns (groups) are determined by the electron configuration of the atom, elements with the same number of electrons in a particular subshell.

Elements in the same group generally have similar chemical properties because they interact with other elements giving, taking or sharing electrons from the same last shell.

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