Hassium

Chemical, physical and material properties and data of the chemical element Hassium.

Contents

General Information about Hassium

Regular nameHassiumChemical symbolHsOther namesHistorical namesName meaning, originDiscovery (year)OccurencePosition in the PSEGroup membership

Atomar Properties of Hassium

Atomic number Z108 = number of protonsStandard Atomic Weight270.13429 (27)

Electron configuration of Hassium

1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	6		2

Shorthand electron configuration of Hassium: [Rn] 5f¹⁴ 6d⁶ 7s² .

Ionization Energies of Hassium

The following table lists the ionization energies IE (ionization potentials); the IE is the energy required in electron volt (eV) per atom to separate a given electron from an Hassium atom.

IE1	IE2	IE3	IE4	IE5	IE6	IE7	IE8
7.56	18.23	29.32	37.71	51.18	64.02	78.11	91.8

Isotopic Data of Hassium

An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Hassium isotopes.

Chemistry of Hassium

Oxidation states+2. +4. +6. +8

Material and Physical Properties

Density41 g cm^-3 (20 °C)

External Data, Identifiers

CAS registry number54037-57-9InChI =1S/HsInChIKeyOBDWMWVOVYJOMI-UHFFFAOYSA-NPubChem ID56951714

Literature Sources and References

[1] - Michael A. Tarselli:
Hidden hassium.
In: Nature Chemistry, (2018), DOI 10.1038/s41557-018-0037-4.

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isotopes

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Last update: 2022-12-19

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