Hassium

Atomic Number: 108

Atomic Symbol: Hs

Atomic Weight: 269

Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d6

History ------- (origin is Latin "Hassias" meaning "Hess", the German state.) Discovered by Peter Armbruster, Gottfried Munzenber and co-workers at GSI in Darmstadt, Germany in 1984.
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Periodic Table

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Select an element to learn more about its properties.

1
H
Hydrogen
1.0079
2
He
Helium
4.0026
3
Li
Lithium
6.941
4
Be
Beryllium
9.01218
5
B
Boron
10.81
6
C
Carbon
12.011
7
N
Nitrogen
14.00674
8
O
Oxygen
15.9994
9
F
Fluorine
18.99984
10
Ne
Neon
20.179
11
Na
Sodium
22.98977
12
Mg
Magnesium
24.305
13
Al
Aluminum
26.98154
14
Si
Silicon
28.086
15
P
Phosphorus
30.97376
16
S
Sulfur
32.06
17
Cl
Chlorine
35.453
18
Ar
Argon
39.948
19
K
Potassium
39.098
20
Ca
Calcium
40.08
21
Sc
Scandium
44.9559
22
Ti
Titanium
47.9
23
V
Vanadium
50.9414
24
Cr
Chromium
51.996
25
Mn
Manganese
54.938
26
Fe
Iron
55.847
27
Co
Cobalt
58.9332
28
Ni
Nickel
58.7
29
Cu
Copper
63.546
30
Zn
Zinc
65.38
31
Ga
Gallium
69.72
32
Ge
Germanium
72.59
33
As
Arsenic
74.9216
34
Se
Selenium
78.96
35
Br
Bromine
79.904
36
Kr
Krypton
83.8
37
Rb
Rubidium
85.4678
38
Sr
Strontium
87.62
39
Y
Yttrium
88.9059
40
Zr
Zirconium
91.22
41
Nb
Niobium
92.9064
42
Mo
Molybdenum
95.94
43
Tc
Technetium
97
44
Ru
Ruthenium
101.07
45
Rh
Rhodium
102.9055
46
Pd
Palladium
106.4
47
Ag
Silver
107.868
48
Cd
Cadmium
112.4
49
In
Indium
114.829
50
Sn
Tin
118.69
51
Sb
Antimony
121.75
52
Te
Tellurium
127.6
53
I
Iodine
126.9045
54
Xe
Xenon
131.3
55
Cs
Cesium
132.9054
56
Ba
Barium
137.34
57
La
Lanthanum
38.9055
72
Hf
Hafnium
178.49
73
Ta
Tantalum
180.9479
74
W
Tungsten
183.5
75
Re
Rhenium
186.207
76
Os
Osmium
190.2
77
Ir
Iridium
192.22
78
Pt
Platinum
195.09
79
Au
Gold
196.9665
80
Hg
Mercury
200.59
81
Tl
Thallium
204.37
82
Pb
Lead
207.2
83
Bi
Bismuth
208.9804
84
Po
Polonium
209
85
At
Astatine
210
86
Rn
Radon
222
87
Fr
Francium
223
88
Ra
Radium
226.0254
89
Ac
Actinium
227
104
Rf
Rutherfordium
267
105
Db
Dubnium
268
106
Sg
Seaborgium
269
107
Bh
Bohrium
270
108
Hs
Hassium
269
109
Mt
Meitnerium
278
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
282
112
Cn
Copernicium
285
113
Nh
Nihonium
286
114
Fl
Flerovium
289
115
Mc
Moscovium
289
116
Lv
Livermorium
293
117
Ts
Tennessine
294
118
Og
Oganesson
294
58
Ce
Cerium
40.12
59
Pr
Praseodymium
140.9077
60
Nd
Neodymium
144.24
61
Pm
Promethium
145
62
Sm
Samarium
150.4
63
Eu
Europium
151.96
64
Gd
Gadolinium
157.25
65
Tb
Terbium
158.9254
66
Dy
Dysprosium
162.5
67
Ho
Holmium
164.9304
68
Er
Erbium
167.26
69
Tm
Thulium
168.9342
70
Yb
Ytterbium
173.04
71
Lu
Lutetium
174.97
90
Th
Thorium
232.0381
91
Pa
Protactinium
231.03599
92
U
Uranium
238.029
93
Np
Neptunium
237.0482
94
Pu
Plutonium
2449
95
Am
Americium
243
96
Cm
Curium
247
97
Bk
Berkelium
247
98
Cf
Californium
251
99
Es
Einsteinium
252
100
Fm
Fermium
257
101
Md
Mendelevium
258
102
No
Nobelium
259
103
Lr
Lawrencium
262

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