HHydrogène
Configuration Électronique:1s1
1
1
HHydrogène1.01
18
2
HeHélium4.00
3
LiLithium6.94
2
4
BeBéryllium9.01
13
5
BBore10.81
14
6
CCarbone12.01
15
7
NAzote14.01
16
8
OOxygène16.00
17
9
FFluor19.00
10
NeNéon20.18
11
NaSodium22.99
12
MgMagnésium24.30
13
AlAluminium26.98
14
SiSilicium28.09
15
PPhosphore30.97
16
SSoufre32.07
17
ClChlore35.45
18
ArArgon39.95
19
KPotassium39.10
20
CaCalcium40.08
3
21
ScScandium44.96
4
22
TiTitane47.87
5
23
VVanadium50.94
6
24
CrChrome52.00
7
25
MnManganèse54.94
8
26
FeFer55.84
9
27
CoCobalt58.93
10
28
NiNickel58.69
11
29
CuCuivre63.55
12
30
ZnZinc65.38
31
GaGallium69.72
32
GeGermanium72.63
33
AsArsenic74.92
34
SeSélénium78.97
35
BrBrome79.90
36
KrKrypton83.80
37
RbRubidium85.47
38
SrStrontium87.62
39
YYttrium88.91
40
ZrZirconium91.22
41
NbNiobium92.91
42
MoMolybdène95.95
43
TcTechnétium98.00
44
RuRuthénium101.07
45
RhRhodium102.91
46
PdPalladium106.42
47
AgArgent107.87
48
CdCadmium112.41
49
InIndium114.82
50
SnÉtain118.71
51
SbAntimoine121.76
52
TeTellure127.60
53
IIode126.90
54
XeXénon131.29
55
CsCésium132.91
56
BaBaryum137.33
72
HfHafnium178.49
73
TaTantale180.95
74
WTungstène183.84
75
ReRhénium186.21
76
OsOsmium190.23
77
IrIridium192.22
78
PtPlatine195.08
79
AuOr196.97
80
HgMercure200.59
81
TlThallium204.38
82
PbPlomb207.20
83
BiBismuth208.98
84
PoPolonium209.00
85
AtAstate210.00
86
RnRadon222.00
87
FrFrancium223.00
88
RaRadium226.00
104
RfRutherfordium267.00
105
DbDubnium270.00
106
SgSeaborgium271.00
107
BhBohrium270.00
108
HsHassium277.00
109
MtMeitnérium278.00
110
DsDarmstadtium281.00
111
RgRoentgenium282.00
112
CnCopernicium285.00
113
NhNihonium286.00
114
FlFlérovium289.00
115
McMoscovium290.00
116
LvLivermorium293.00
117
TsTennesse294.00
118
OgOganesson294.00
NUMÉRO ATOMIQUESYMBOLENOMMASSE MOLAIRE
57
LaLanthane138.91
58
CeCérium140.12
59
PrPraséodyme140.91
60
NdNéodyme144.24
61
PmProméthium145.00
62
SmSamarium150.36
63
EuEuropium151.96
64
GdGadolinium157.25
65
TbTerbium158.93
66
DyDysprosium162.50
67
HoHolmium164.93
68
ErErbium167.26
69
TmThulium168.93
70
YbYtterbium173.04
71
LuLutécium174.97
89
AcActinium227.00
90
ThThorium232.04
91
PaProtactinium231.04
92
UUranium238.03
93
NpNeptunium237.00
94
PuPlutonium244.00
95
AmAméricium243.00
96
CmCurium247.00
97
BkBerkélium247.00
98
CfCalifornium251.00
99
EsEinsteinium252.00
100
FmFermium257.00
101
MdMendélévium258.00
102
NoNobélium259.00
103
LrLawrencium266.00