Hassium Element (Periodic Table)

Hassium

Hassium (Hs) is a chemical element of the periodic table, located in the group 8 and the period 7, and has the atomic number 108. It is a silvery-white transition metal, which is named after the German state Hesse, where it was first made. It is a transuranium element and is counted as one of the radioactive elements.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
1
1
H
2
He
2
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr
– d block

FAQs on Hassium Element

Hassium
‣ Who discovered hassium? When was hassium discovered?

Discovery: Gesellschaft für Schwerionenforschung (1984)
‣ Where is hassium on the periodic table?

Hassium Periodic Table

Location: Hassium is found in the eighth column of the periodic table, next to the bohrium element.
Hassium atomic number (Z): 108
Hassium symbol: Hs
Hassium atomic weight: [269] (data not decisive)
‣ Hassium belongs to what block of the periodic table?

Block: d-block
‣ What group is hassium in the periodic table?

Group: 8
‣ Period of hassium in the periodic table

Period: 7
Hassium atomic radius: empirical: 126 pm (estimated)
Hassium covalent radius: 134 pm (estimated)
‣ How many electron shells does hassium have?

Electrons per shell: 2, 8, 18, 32, 32, 14, 2
‣ What is the electron configuration for hassium?

Electron configuration: [Rn] 5f14 6d6 7s2
Hassium ionization energies:
1st: 730 kJ/mol
2nd: 1760 kJ/mol
3rd: 2830 kJ/mol(predicted)
‣ Is hassium a solid, liquid or gas?

Phase (at r.t): solid (predicted)
Hassium density (near r.t): 27-29 g/cm3 (predicted)
Hassium natural occurrence: synthetic
Hassium oxidation state: +2, +3, +4, +5, +6, +8
Hassium crystal structure: hexagonal close-packed (hcp) (predicted)
Hassium CAS number: 54037-57-9

‣ How many isotopes does hassium have?

Main isotopes of hassium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
269Hssyn16 sα265Sg
270Hssyn9 sα266Sg
277Hssyn130 sSF

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