Rutherfordium

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

Contents

General Information about Rutherfordium

Regular nameRutherfordiumChemical symbolRfOther namesHistorical namesName meaning, originDiscovery (year)OccurencePosition in the PSEGroup membership

Atomar Properties of Rutherfordium

Atomic number Z104 = number of protonsStandard Atomic Weight267.12179 (62)

Electron configuration of Rutherfordium

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	2		2

Shorthand electron configuration of Rutherfordium: [Rn] 5f¹⁴ 6d² 7s² .

Ionization Energies of Rutherfordium

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 Rutherfordium atom.

IE1	IE2	IE3	IE4
6.01	14.4	23.8	31.9

Isotopic Data of Rutherfordium

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

Chemistry of Rutherfordium

Oxidation states+ 4

Material and Physical Properties

Melting point2100 °CBoiling point5500 °CDensity23.2 g cm^-3

External Data, Identifiers

CAS registry number53850-36-5InChI =1S/RfInChIKeyYGPLJIIQQIDVFJ-UHFFFAOYSA-NPubChem ID56951715

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isotopes

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Last update: 2022-12-12

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