HHydrogen
Electron Configuration:1s1
1
1
HHydrogen1.01
18
2
HeHelium4.00
3
LiLithium6.94
2
4
BeBeryllium9.01
13
5
BBoron10.81
14
6
CCarbon12.01
15
7
NNitrogen14.01
16
8
OOxygen16.00
17
9
FFluorine19.00
10
NeNeon20.18
11
NaSodium22.99
12
MgMagnesium24.30
13
AlAluminum26.98
14
SiSilicon28.09
15
PPhosphorus30.97
16
SSulfur32.07
17
ClChlorine35.45
18
ArArgon39.95
19
KPotassium39.10
20
CaCalcium40.08
3
21
ScScandium44.96
4
22
TiTitanium47.87
5
23
VVanadium50.94
6
24
CrChromium52.00
7
25
MnManganese54.94
8
26
FeIron55.84
9
27
CoCobalt58.93
10
28
NiNickel58.69
11
29
CuCopper63.55
12
30
ZnZinc65.38
31
GaGallium69.72
32
GeGermanium72.63
33
AsArsenic74.92
34
SeSelenium78.97
35
BrBromine79.90
36
KrKrypton83.80
37
RbRubidium85.47
38
SrStrontium87.62
39
YYttrium88.91
40
ZrZirconium91.22
41
NbNiobium92.91
42
MoMolybdenum95.95
43
TcTechnetium98.00
44
RuRuthenium101.07
45
RhRhodium102.91
46
PdPalladium106.42
47
AgSilver107.87
48
CdCadmium112.41
49
InIndium114.82
50
SnTin118.71
51
SbAntimony121.76
52
TeTellurium127.60
53
IIodine126.90
54
XeXenon131.29
55
CsCesium132.91
56
BaBarium137.33
72
HfHafnium178.49
73
TaTantalum180.95
74
WTungsten183.84
75
ReRhenium186.21
76
OsOsmium190.23
77
IrIridium192.22
78
PtPlatinum195.08
79
AuGold196.97
80
HgMercury200.59
81
TlThallium204.38
82
PbLead207.20
83
BiBismuth208.98
84
PoPolonium209.00
85
AtAstatine210.00
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
MtMeitnerium278.00
110
DsDarmstadtium281.00
111
RgRoentgenium282.00
112
CnCopernicium285.00
113
NhNihonium286.00
114
FlFlerovium289.00
115
McMoscovium290.00
116
LvLivermorium293.00
117
TsTennessine294.00
118
OgOganesson294.00
ATOMIC NUMBERSYMBOLNAMEMOLAR MASS
57
LaLanthanum138.91
58
CeCerium140.12
59
PrPraseodymium140.91
60
NdNeodymium144.24
61
PmPromethium145.00
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
LuLutetium174.97
89
AcActinium227.00
90
ThThorium232.04
91
PaProtactinium231.04
92
UUranium238.03
93
NpNeptunium237.00
94
PuPlutonium244.00
95
AmAmericium243.00
96
CmCurium247.00
97
BkBerkelium247.00
98
CfCalifornium251.00
99
EsEinsteinium252.00
100
FmFermium257.00
101
MdMendelevium258.00
102
NoNobelium259.00
103
LrLawrencium266.00