Download - Periodic Table Sig Fig b w
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1IA1A
18VIIIA8A
2IIA2A
13IIIA3A
14IVA4A
15VA5A
16VIA6A
17VIIA7A
3IIIB3B
4IVB4B
5VB5B
6VIB6B
7VIIB7B
8 9VIII8
10 11IB1B
12IIB2B
Periodic Table of the Elements
LanthanideSeries
ActinideSeries
1
HHydrogen
[1.00784;1.00811]
3
LiLithium[6.938;6.997]
4
BeBeryllium9.0121831(5)
11
NaSodium
22.98976928(2)
12
MgMagnesium[24.304,24.307]
19
KPotassium39.0983(1)
20
CaCalcium40.078(4)
21
ScScandium44.955908(5)
22
TiTitanium47.867(1)
23
VVanadium50.9415(1)
24
CrChromium51.9961(6)
25
MnManganese54.938045(5)
26
FeIron
55.845(2)
27
CoCobalt
58.933194(4)
28
NiNickel58.6934(4)
29
CuCopper63.546(3)
30
ZnZinc65.38(2)
31
GaGallium69.723(1)
13
AlAluminum26.9815386(8)
5
BBoron
[10.806;10.821]
32
GeGermanium
72.630(8)
14
SiSilicon
[28.084;28.086]
6
CCarbon
[12.0096;12.0116]
33
AsArsenic74.921595(6)
15
PPhosphorus30.973761998(5)
7
NNitrogen
[14.00643;14.00728]
34
SeSelenium78.971(8)
16
SSulfur
[32.059;32.076]
8
OOxygen
[15.99903;15.99977]
35
BrBromine
[79.901,79.907]
17
ClChlorine
[35.446;35.457]
9
FFluorine
18.998403163(6)
36
KrKrypton83.798(2)
18
ArArgon39.948(1)
10
NeNeon
20.1797(6)
2
HeHelium4.002602(2)
37
RbRubidium85.4678(3)
38
SrStrontium87.62(1)
39
YYttrium88.90584(2)
40
ZrZirconium91.224(2)
41
NbNiobium92.90637(2)
42
MoMolybdenum
95.95(1)
43
TcTechnetium
44
RuRuthenium101.07(2)
45
RhRhodium102.90550(2)
46
PdPalladium106.42(1)
47
AgSilver
107.8682(2)
48
CdCadmium112.414(4)
49
InIndium114.818(1)
50
SnTin
118.710(7)
51
SbAntimony121.760(1)
52
TeTellurium127.60(3)
53
IIodine
126.90447(3)
54
XeXenon131.293(6)
55
CsCesium
132.90545196(6)
56
BaBarium137.327(7)
57-71 72
HfHafnium178.49(2)
73
TaTantalum180.94788(2)
74
WTungsten183.84(1)
75
ReRhenium186.207(1)
76
OsOsmium190.23(3)
77
IrIridium192.217(3)
78
PtPlatinum195.084(9)
79
AuGold
196.966569(5)
80
HgMercury200.592(3)
81
TlThallium
[204.382;204.385]
82
PbLead207.2(1)
83
BiBismuth208.98040(1)
84
PoPolonium
85
AtAstatine
86
RnRadon
87
FrFrancium
88
RaRadium
89-103
57
LaLanthanum138.90547(7)
58
CeCerium140.116(1)
59
PrPraseodymium
140.90766(2)
60
NdNeodymium
144.242(3)
61
PmPromethium
62
SmSamarium150.36(2)
63
EuEuropium151.964(1)
64
GdGadolinium
157.25(3)
65
TbTerbium158.92535(2)
66
DyDysprosium162.500(1)
67
HoHolmium164.93033(2)
68
ErErbium167.259(3)
69
TmThulium168.93422(2)
70
YbYtterbium173.054(5)
71
LuLutetium174.9668(1)
89
AcActinium
90
ThThorium232.0377(4)
91
PaProtactinium231.03588(2)
92
UUranium238.02891(3)
93
NpNeptunium
94
PuPlutonium
95
AmAmericium
96
CmCurium
97
BkBerkelium
98
CfCalifornium
99
EsEinsteinium
100
FmFermium
101
MdMendelevium
102
NoNobelium
103
LrLawrencium
104
RfRutherfordium
105
DbDubnium
106
SgSeaborgium
107
BhBohrium
108
HsHassium
109
MtMeitnerium
110
DsDarmstadtium
111
RgRoentgenium
112
CnCopernicium
113
UutUnuntriumunknown
114
FlFlerovium
115
UupUnunpentium
unknown
116
LvLivermorium
117
UusUnunseptium
unknown
118
UuoUnunoctium
unknown
AtomicNumber
Symbol
Atomic MassName
Atomic mass values reect the IUPAC accepted values as of 09/2013.
Masses expressed in [a;b] format show the lower and upper limit of atomic mass depending on the physical and chemical history of the element.
Masses expressed in < > format are the mass numbers of the longest-lived isotope for elements with no stable nucleus.