IA / 1 T A B L E A U P E R I O D I Q U E D E S E L E M E N T S VIIIA / 18
1.00794 4.002602
1
1H
2He
Hydrogène
IIA / 2 IVA / 14
colonne (groupe)IIIA / 13 IVA / 14 VA / 15 VIA / 16 VIIA / 17
Héliummasse atomique en u en gris : nom et symbole à connaître
6.941 9.012182 masse molaire en g/mol 12.0107 10.811 12.0107 14.0067 15.9994 18.9984032 20.1797
2
3Li
4Be
numéro atomique Z 6C Symbole
5B
6C
7N
8O
9F
10Ne
Lithium Béryllium Carbone Nom de l'élément Bore Carbone Azote Oxygène Fluor Néon
22.989770 24.3050 26.981538 28.0855 30.973761 32.066 35.4527 39.948
3
11Na
12Mg
13Aℓ
14Si
15P
16S
17Cℓ
18Ar
Sodium Magnésium
IIIB / 3 IVB / 4 VB / 5 VIB / 6 VIIB / 7 VIIIB / 8 VIIIB / 9 VIIIB / 10 IB / 11 IIB / 12
Aluminium Silicium Phosphore Soufre Chlore Argon39.0983 40.078 44.955910 47.867 50.9415 51.9961 54.938049 55.845 58.933200 58.6934 63.546 65.39 69.723 72.64 74.92160 78.96 79.904 83.80
4
19K
20Ca
21Sc
22Ti
23V
24Cr
25Mn
26Fe
27Co
28Ni
29Cu
30Zn
31Ga
32Ge
33As
34Se
35Br
36Kr
Potassium Calcium Scandium Titane Vanadium Chrome Manganèse Fer Cobalt Nickel Cuivre Zinc Gallium Germanium Arsenic Sélénium Brome Krypton
85.4678 87.62 88.90585 91.224 92.90638 95.94 [98] 101.07 102.90550 106.42 107.8682 112.411 114.818 118.710 121.760 127.60 126.90447 131.293
5
37Rb
38Sr
39Y
40Zr
41Nb
42Mo
43Tc
44Ru
45Rh
46Pd
47Ag
48Cd
49In
50Sn
51Sb
52Te
53I
54Xe
Rubidium Strontium Yttrium Zirconium Niobium Molybdène Technétium Ruthénium Rhodium Palladium Argent Cadmium Indium Etain Antimoine Tellure Iode Xénon
*
132.90545 137.327 138.9055 178.49 180.9479 183.84 186.207 190.23 192.217 195.078 196.96655 200.59 204.3833 207.2 208.98038 [209] [210] [222]
6
55Cs
56Ba
57La
72Hf
73Ta
74W
75Re
76Os
77Ir
78Pt
79Au
80Hg
81Tℓ
82Pb
83Bi
84Po
85At
86Rn
Césium Baryum Lanthane Hafnium Tantale Tungstène Rhénium Osmium Iridium Platine Or Mercure Thallium Plomb Bismuth Polonium Astate Radon
°
[223] [226] [227] [261] [262] [266] [264] [277] [268] [269] [272] [285] [289]
7
87Fr
88Ra
89Ac
104Rf
105Db
106Sg
107Bh
108Hs
109Mt
110Ds
111Rg
112Cn
113Uut
114Uuq
115Uup
116Uuh
117Uus
118Uuo
Francium Radium Actinium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Ununquadium Ununpentium Ununhexium Ununseptium Ununoctium
B B B B B B B B B B B B B B
*
140.116 140.90765 144.24 [145] 150.36 151.964 157.25 158.92534 162.50 164.93032 167.259 168.93421 173.04 174.967
6
58Ce
59Pr
60Nd
61Pm
62Sm
63Eu
64Gd
65Tb
66Dy
67Ho
68Er
69Tm
70Yb
71Lu
Cérium Praséodyme Néodyme Prométhium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutétium
°
232.0381 231.03588 238.02891 [237] [244] [243] [247] [247] [251] [252] [257] [258] [259] [262]
7
90Th
91Pa
92U
93Np
94Pu
95Am
96Cm
97Bk
98Cf
99Es
100Fm
101Md
102No
103Lr
Thorium Protactinium Uranium Neptunium Plutonium Américium Curium Berkélium Californium Einsteinium Fermium Mendelevium Nobélium Lawrencium