Atlas Minerox
Acceuil Sources Atlas Tableau

Éléments périodiques

Tableau périodique des éléments (Mendeleïev)

Groupe
123456789101112131415161718
Période
1
Hydrogène
1
H
1.007975
Hélium
2
He
4.002602
2
Lithium
3
Li
6.9395
Béryllium
4
Be
9.0121831
Bore
5
B
10.8135
Carbone
6
C
12.0106
Azote
7
N
14.006855
Oxygène
8
O
15.9994
Fluor
9
F
18.99840316
Néon
10
Ne
20.17976
3
Sodium
11
Na
22.98976928
Magnésium
12
Mg
24.3055
Aluminium
13
Al
26.9815385
Silicium
14
Si
28.0851
Phosphore
15
P
30.973762
Soufre
16
S
32.0675
Chlore
17
Cl
35.4515
Argon
18
Ar
39.9481
4
Potassium
19
K
39.09831
Calcium
20
Ca
40.0784
Scandium
21
Sc
44.9559085
Titane
22
Ti
47.8671
Vanadium
23
V
50.94151
Chrome
24
Cr
51.99616
Manganèse
25
Mn
54.938044
Fer
26
Fe
55.8452
Cobalt
27
Co
58.933194
Nickel
28
Ni
58.69344
Cuivre
29
Cu
63.5463
Zinc
30
Zn
65.382
Gallium
31
Ga
69.7231
Germanium
32
Ge
72.6308
Arsenic
33
As
74.921595
Sélénium
34
Se
78.9718
Brome
35
Br
79.9043
Krypton
36
Kr
83.7982
5
Rubidium
37
Rb
85.46783
Strontium
38
Sr
87.621
Yttrium
39
Y
88.90584
Zirconium
40
Zr
91.2242
Niobium
41
Nb
92.90637
Molybdène
42
Mo
95.951
Technétium
43
Tc
[98]
Ruthénium
44
Ru
101.072
Rhodium
45
Rh
102.9055
Palladium
46
Pd
106.421
Argent
47
Ag
107.86822
Cadmium
48
Cd
112.4144
Indium
49
In
114.8181
Étain
50
Sn
118.7107
Antimoine
51
Sb
121.7601
Tellure
52
Te
127.603
Iode
53
I
126.90447
Xénon
54
Xe
131.2936
6
Césium
55
Cs
132.905452
Baryum
56
Ba
137.3277
Lanthanides
57-71
*
Hafnium
72
Hf
178.492
Tantale
73
Ta
180.94788
Tungstène
74
W
183.841
Rhénium
75
Re
186.2071
Osmium
76
Os
190.233
Iridium
77
Ir
192.2173
Platine
78
Pt
195.0849
Or
79
Au
196.966569
Mercure
80
Hg
200.5923
Thallium
81
Tl
204.3835
Plomb
82
Pb
207.21
Bismuth
83
Bi
208.9804
Polonium
84
Po
[209]
Astate
85
At
[210]
Radon
86
Rn
[222]
7
Francium
87
Fr
[223]
Radium
88
Ra
[226]
Actinides
89-103
**
Rutherfordium
104
Rf
[267]
Dubnium
105
Db
[268]
Seaborgium
106
Sg
[269]
Bohrium
107
Bh
[270]
Hassium
108
Hs
[277]
Meitnérium
109
Mt
[278]
Darmstadtium
110
Ds
[281]
Roentgenium
111
Rg
[282]
Copernicium
112
Cn
[285]
Nihonium
113
Nh
[286]
Flérovium
114
Fl
[289]
Moscovium
115
Mc
[289]
Livermorium
116
Lv
[293]
Tennessine
117
Ts
[294]
Oganesson
118
Og
[294]
Lanthane
57
La
138.90547
Cérium
58
Ce
140.1161
Praséodyme
59
Pr
140.90766
Néodyme
60
Nd
144.2423
Prométhium
61
Pm
[145]
Samarium
62
Sm
150.362
Europium
63
Eu
151.9641
Gadolinium
64
Gd
157.253
Terbium
65
Tb
158.92535
Dysprosium
66
Dy
162.5001
Holmium
67
Ho
164.93033
Erbium
68
Er
167.2593
Thulium
69
Tm
168.93422
Ytterbium
70
Yb
173.045
Lutécium
71
Lu
174.9668
Actinium
89
Ac
[227]
Thorium
90
Th
232.0377
Protactinium
91
Pa
231.03588
Uranium
92
U
238.02891
Neptunium
93
Np
[237]
Plutonium
94
Pu
[244]
Américium
95
Am
[243]
Curium
96
Cm
[247]
Berkélium
97
Bk
[247]
Californium
98
Cf
[251]
Einsteinium
99
Es
[252]
Fermium
100
Fm
[257]
Mendélévium
101
Md
[258]
Nobélium
102
No
[259]
Lawrencium
103
Lr
[266]
Légende
Etat à 0°C et 101.3 kPa : Gazeux, Liquide, Solide
Série Non classésMétaux
alcalins
Alcalino-
terreux
LanthanidesActinidesMétaux de
transition
Métaux
pauvres
MétalloïdesNon-métauxHalogènesGaz nobles
La masse atomique, exprimée en g.mol-1, est relative OU [celle de l'isotope le plus stable].

Tableau des couches et orbitales

Element Libellé Masse molaire #1 (g.mol-1) Z Couches #2 Orbitales #3
K L M N O P Q 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s 5f 6d 7p
2 8 18 32 32 18 8 2 2 6 2 6 2 10 6 2 10 6 2 14 10 6 2 14 10 6
H Hydrogène 1.007975 1 11
He Hélium 4.002602 2 22
Li Lithium 6.9395 3 2121
Be Béryllium 9.0121831 4 2222
B Bore 10.8135 5 23221
C Carbone 12.0106 6 24222
N Azote 14.006855 7 25223
O Oxygène 15.9994 8 26224
F Fluor 18.99840316 9 27225
Ne Néon 20.17976 10 28226
Na Sodium 22.98976928 11 2812261
Mg Magnésium 24.3055 12 2822262
Al Aluminium 26.9815385 13 28322621
Si Silicium 28.0851 14 28422622
P Phosphore 30.973762 15 28522623
S Soufre 32.0675 16 28622624
Cl Chlore 35.4515 17 28722625
Ar Argon 39.9481 18 28822626
K Potassium 39.09831 19 2881226261
Ca Calcium 40.0784 20 2882226262
Sc Scandium 44.9559085 21 28922262621
Ti Titane 47.8671 22 281022262622
V Vanadium 50.94151 23 281122262623
Cr Chrome 51.99616 24 281312262615
Mn Manganèse 54.938044 25 281322262625
Fe Fer 55.8452 26 281422262626
Co Cobalt 58.933194 27 281522262627
Ni Nickel 58.69344 28 281622262628
Cu Cuivre 63.5463 29 2818122626110
Zn Zinc 65.382 30 2818222626210
Ga Gallium 69.7231 31 28183226262101
Ge Germanium 72.6308 32 28184226262102
As Arsenic 74.921595 33 28185226262103
Se Sélénium 78.9718 34 28186226262104
Br Brome 79.9043 35 28187226262105
Kr Krypton 83.7982 36 28188226262106
Rb Rubidium 85.46783 37 2818812262621061
Sr Strontium 87.621 38 2818822262621062
Y Yttrium 88.90584 39 28189222626210621
Zr Zirconium 91.2242 40 281810222626210622
Nb Niobium 92.90637 41 281812122626210614
Mo Molybdène 95.951 42 281813122626210615
Tc Technétium [98] 43 281813222626210625
Ru Ruthénium 101.072 44 281815122626210617
Rh Rhodium 102.9055 45 281816122626210618
Pd Palladium 106.421 46 28181822626210610
Ag Argent 107.86822 47 2818181226262106110
Cd Cadmium 112.4144 48 2818182226262106210
In Indium 114.8181 49 28181832262621062101
Sn Étain 118.7107 50 28181842262621062102
Sb Antimoine 121.7601 51 28181852262621062103
Te Tellure 127.603 52 28181862262621062104
I Iode 126.90447 53 28181872262621062105
Xe Xénon 131.2936 54 28181882262621062106
Cs Césium 132.905452 55 2818188122626210621061
Ba Baryum 137.3277 56 2818188222626210621062
La Lanthane 138.90547 57 28181982226262106210621
Ce Cérium 140.1161 58 28182082226262106210622
Pr Praséodyme 140.90766 59 28182182226262106210623
Nd Néodyme 144.2423 60 28182282226262106210624
Pm Prométhium [145] 61 28182382226262106210625
Sm Samarium 150.362 62 28182482226262106210626
Eu Europium 151.9641 63 28182582226262106210627
Gd Gadolinium 157.253 64 28182682226262106210628
Tb Terbium 158.92535 65 28182782226262106210629
Dy Dysprosium 162.5001 66 281828822262621062106210
Ho Holmium 164.93033 67 281829822262621062106211
Er Erbium 167.2593 68 281830822262621062106212
Tm Thulium 168.93422 69 281831822262621062106213
Yb Ytterbium 173.045 70 281832822262621062106214
Lu Lutécium 174.9668 71 2818329222626210621062141
Hf Hafnium 178.492 72 28183210222626210621062142
Ta Tantale 180.94788 73 28183211222626210621062143
W Tungstène 183.841 74 28183212222626210621062144
Re Rhénium 186.2071 75 28183213222626210621062145
Os Osmium 190.233 76 28183214222626210621062146
Ir Iridium 192.2173 77 28183215222626210621062147
Pt Platine 195.0849 78 28183216222626210621062148
Au Or 196.966569 79 28183217222626210621062149
Hg Mercure 200.5923 80 281832182226262106210621410
Tl Thallium 204.3835 81 2818321832262621062106214101
Pb Plomb 207.21 82 2818321842262621062106214102
Bi Bismuth 208.9804 83 2818321852262621062106214103
Po Polonium [209] 84 2818321862262621062106214104
At Astate [210] 85 2818321872262621062106214105
Rn Radon [222] 86 2818321882262621062106214106
Fr Francium [223] 87 281832188122626210621062141061
Ra Radium [226] 88 281832188222626210621062141062
Ac Actinium [227] 89 2818321982226262106210621410621
Th Thorium 232.0377 90 2818322082226262106210621410622
Pa Protactinium 231.03588 91 2818322182226262106210621410623
U Uranium 238.02891 92 2818322282226262106210621410624
Np Neptunium [237] 93 2818322382226262106210621410625
Pu Plutonium [244] 94 2818322482226262106210621410626
Am Américium [243] 95 2818322582226262106210621410627
Cm Curium [247] 96 2818322682226262106210621410628
Bk Berkélium [247] 97 2818322782226262106210621410629
Cf Californium [251] 98 28183228822262621062106214106210
Es Einsteinium [252] 99 28183229822262621062106214106211
Fm Fermium [257] 100 28183230822262621062106214106212
Md Mendélévium [258] 101 28183231822262621062106214106213
No Nobélium [259] 102 28183232822262621062106214106214
Lr Lawrencium [266] 103 281832329222626210621062141062141
Rf Rutherfordium [267] 104 2818323210222626210621062141062142
Db Dubnium [268] 105 2818323211222626210621062141062143
Sg Seaborgium [269] 106 2818323212222626210621062141062144
Bh Bohrium [270] 107 2818323213222626210621062141062145
Hs Hassium [277] 108 2818323214222626210621062141062146
Mt Meitnérium [278] 109 2818323215222626210621062141062147
Ds Darmstadtium [281] 110 2818323216222626210621062141062148
Rg Roentgenium [282] 111 2818323217222626210621062141062149
Cn Copernicium [285] 112 28183232182226262106210621410621410
Nh Nihonium [286] 113 281832321832262621062106214106214101
Fl Flérovium [289] 114 281832321842262621062106214106214102
Mc Moscovium [289] 115 281832321852262621062106214106214103
Lv Livermorium [293] 116 281832321862262621062106214106214104
Ts Tennessine [294] 117 281832321872262621062106214106214105
Og Oganesson [294] 118 281832321882262621062106214106214106
#1 Masse atomique (u ≡ Da) correspond (≙) à la Masse molaire (g.mol-1) car : 1 u × (6,022 140 76 × 1023 mol-1) ≡ 1 g.mol-1
#2 Nombre quantique principal
#3 Nombre quantique azimutal (référence Klechkowski)
Légende
X Couche ou orbitale incomplète