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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
© 2015 Todd Helmenstinesciencenotes.org
1
HHydrogen
1.008
3
LiLithium
6.941
4
BeBeryllium
9.012
11
NaSodium
22.990
12
MgMagnesium
24.305
19
KPotassium
39.098
20
CaCalcium
40.078
21
ScScandium
44.956
22
TiTitanium
47.867
23
VVanadium
50.942
24
CrChromium
51.996
25
MnManganese
54.938
26
FeIron55.845
27
CoCobalt58.933
28
NiNickel58.693
29
CuCopper
63.546
30
ZnZinc65.38
31
GaGallium
69.723
13
AlAluminum
26.982
5
BBoron10.811
32
GeGermanium
72.631
14
SiSilicon28.086
6
CCarbon
12.011
33
AsArsenic
74.922
15
PPhosphorus
30.974
7
NNitrogen
14.007
34
SeSelenium
78.972
16
SSulfur32.066
8
OOxygen
15.999
35
BrBromine
79.904
17
ClChlorine
35.453
9
FFluorine
18.998
36
KrKrypton
84.798
18
ArArgon39.948
10
NeNeon20.180
2
HeHelium
4.003
37
RbRubidium
84.468
38
SrStrontium
87.62
39
YYttrium
88.906
40
ZrZirconium
91.224
41
NbNiobium
92.906
42
MoMolybdenum
95.95
43
TcTechnetium
98.907
44
RuRuthenium
101.07
45
RhRhodium
102.906
46
PdPalladium
106.42
47
AgSilver107.868
48
CdCadmium
112.414
49
InIndium114.818
50
SnTin
118.711
51
SbAntimony
121.760
52
TeTellurium
127.6
53
IIodine126.904
54
XeXenon131.294
55
CsCesium132.905
56
BaBarium137.328
57-71 72
HfHafnium
178.49
73
TaTantalum
180.948
74
WTungsten
183.84
75
ReRhenium
186.207
76
OsOsmium
190.23
77
IrIridium192.217
78
PtPlatinum
195.085
79
AuGold196.967
80
HgMercury
200.592
81
TlThallium
204.383
82
PbLead207.2
83
BiBismuth
208.980
84
PoPolonium
[208.982]
85
AtAstatine
209.987
86
RnRadon222.018
87
FrFrancium
223.020
88
RaRadium226.025
89-103
57
LaLanthanum
138.905
58
CeCerium140.116
59
PrPraseodymium
140.908
60
NdNeodymium
144.243
61
PmPromethium
144.913
62
SmSamarium
150.36
63
EuEuropium
151.964
64
GdGadolinium
157.25
65
TbTerbium
158.925
66
DyDysprosium
162.500
67
HoHolmium
164.930
68
ErErbium167.259
69
TmThulium
168.934
70
YbYtterbium
173.055
71
LuLutetium
174.967
89
AcActinium
227.028
AlkaliMetal
AlkalineEarth
TransitionMetal
BasicMetal Semimetal Nonmetal Halogen Noble
Gas Lanthanide Actinide
90
ThThorium
232.038
91
PaProtactinium
231.036
92
UUranium
238.029
93
NpNeptunium
237.048
94
PuPlutonium
244.064
95
AmAmericium
243.061
96
CmCurium247.070
97
BkBerkelium
247.070
98
CfCalifornium
251.080
99
EsEinsteinium
[254]
100
FmFermium
257.095
101
MdMendelevium
258.1
102
NoNobelium
259.101
103
LrLawrencium
[262]
104
RfRutherfordium
[261]
105
DbDubnium
[262]
106
SgSeaborgium
[266]
107
BhBohrium
[264]
108
HsHassium
[269]
109
MtMeitnerium
[268]
110
DsDarmstadtium
[269]
111
RgRoentgenium
[272]
112
CnCopernicium
[277]
113
UutUnuntrium
unknown
114
FlFlerovium
[289]
115
UupUnunpentium
unknown
116
LvLivermorium
[298]
117
UusUnunseptium
unknown
118
UuoUnunoctium
unknown
H20.0899
0.534 1.85
0.968 1.738
0.89 1.55 2.985 4.506 6.0 7.15 7.21 7.86 8.90 8.908 8.96 7.14 5.91
2.70
2.34
5.323
2.33
graphite2.267
5.727
white1.823
N21.251
alpha4.39
alpha2.08
O21.429
Br23.1028
Cl23.2
F21.7
3.749
1.784
0.9002
0.1786
1.532 2.64 4.472 6.52 8.57 10.28 11 12.45 12.41 12.023 10.49 8.65 7.31 white7.265
6.697 6.24 I24.933
5.894
1.93 3.51 13.31 16.69 19.25 21.02 22.59 22.56 22.45 19.3 13.534 11.85 11.34 9.78 alpha9.196
unknown 9.73
unknown 5.5
6.162 6.770 6.77 7.01 7.26 7.52 5.244 7.90 8.23 8.540 8.79 9.066 9.32 6.90 9.841
10 11.7 15.37 19.1 20.2 19.816 12 13.51 14.78 15.1 8.84 unknown unknown unknown unknown
unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown
AtomicNumber
Density
Symbol
Atomic MassName
Density values are at or near room temperature.If more than one allotrope, allotrope is listed with density.
Element symbol represents state at room temperature.
Solid, Liquid or Gas densities are g/L. All other densities are g/cm3Width of color bar is density relative to Osmium (densest element)
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