108 Hs Hassium 277,0 u

Hassium

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Période
7
Groupe
8
Bloc
d-bloc
Phase (STP)
Solid

Hassium is named after the German state of Hesse. It is predicted to be the densest element, with properties similar to osmium.

About Hassium

Hassium is expected to be the densest of all the elements, a prediction that follows from its position in group 8 of period 7 directly beneath osmium, itself the densest element whose density has been measured. Its name derives from Hesse, the German state where the Helmholtz Centre for Heavy Ion Research is located. The atomic number is 108 and the relative atomic mass 277.0, with the configuration [Rn] 5f14 6d6 7s2 and no established electronegativity. Experiments on individual atoms have produced a volatile hassium oxide whose behaviour parallels that of osmium tetroxide, supporting the placement of the element within group 8.

Propriétés physiques

Masse atomique 277.0 u
Phase à STP Solid

Configuration électronique

Configuration [Rn] 5f¹⁴ 6d⁶ 7s²

Electron Shell Configuration

Hassium electron shell configuration Hs 2e⁻ 8e⁻ 18e⁻ 32e⁻ 32e⁻ 14e⁻ 2e⁻
Electron shell structure of Hassium — electrons per shell.
Shell Electrons
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 32
6 (P) 14
7 (Q) 2

Position in Periodic Table

Hassium position in the periodic table Hs

Bloc et période

Bloc

s p d f

Période

1 2 3 4 5 6 7

Tableau périodique

Lanthanides Actinides

Plus de Métal de Transition

21 Sc Scandium 22 Ti Titanium 23 V Vanadium 24 Cr Chromium 25 Mn Manganese 26 Fe Iron 27 Co Cobalt 28 Ni Nickel 29 Cu Copper 30 Zn Zinc

Frequently Asked Questions

What is Hassium?
Hassium (Hs) is a chemical element with atomic number 108. It is a solid at standard temperature and pressure, classified as a métal de transition.
What are the key properties of Hassium?
Hassium has an atomic mass of 277.0 u.
What is the electron configuration of Hassium?
The electron configuration of Hassium is [Rn] 5f14 6d6 7s2. It is in the d-block of the periodic table.