Cerium (Ce)

Symbol Ce
Atomic Number 58
Atomic Weight 140.116
Group (Lanthanoids)
Period 6
Block f

Planetary Bohr Model of Ce
Lewis Dot Diagram of Ce

Physical Properties

Density 6.66 g/cm3
Atomic Volume 21.0 cm3/mole
Atomic Radius 1.81 angstroms
Covalent Radius pm
Radioactive No

States

Melting Point 798.0 °C
Boiling Point 3257.0 °C
Heat Of Fusion 9.2 kJ/mole
Heat Of Vaporization 313.8 kJ/mole

Energy

Electronegativity 1.1 (Pauling Scale)
Electron Affinity kJ/mol
1st Ionization Energy 534 kJ/mol
Specific Heat Capacity 0.19 J g−1 K−1
Thermal Conductivity 11.4 W·m−1·K−1

Electrons and Oxidation

Oxidation States +3,4
Electrons Per Shell 2 8 18 19 9 2
Electron Configuration [Xe] 4f1 5d1 6s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f1 5d1 6s2

Translations

English Cerium
Deutsch Zer
Lëtzebuergesch Zer
Nederlands Cerium
Afrikaans Serium
Frysk Cerium
Dansk Cerium
Svenska Cerium
Norsk Cerium
Íslenska Sern
Føroysk Cerium
Latin Cerium
Français Crium
Español Cerio
Catalana Ceri
Occitana Ceri
Português Crio
Galego Cerio
Italiano Cerio
Furlan Ceri
Român Ceriu
Moldavian Ceriu
Armãneashte Tseriumu
Русский ?????
Українска ?????
Byelorussian ?????
Polska Cer
Kaszëbsczi Cer
Čech Cer
Slovenský Cr
Slovenščina Cerij
Hrvatska Cerij
Српски ????j??
Bosnian Cerij
Македонски ??????
Български ?????
Lietuviškai Ceris
Lao Cerijs
Sudovian Cerijan
Cymraeg Ceriwm
Gaeilge na hÉireann Ceiriam
Gàidhlig na h Ceiriam
Gaelg Vanninagh Kerrium
Cornish Keryum
Brezhoneg Seriom
Ελληνική ????????
Shqip Cerium
Ossetian ?????
Euskera Zerioa
Georgian ???????
Suomi Cerium
Eesti Tseerium
Magyar Crium
Türkçe Seryum
Kazakh ?????
Uzbek ?????
Tajik Ceri'
Mongolian ????
日本語 ???? [seriumu]
中国话 ?
ไทย ???????
Vietnamese Xeri
Bahasa Melayu Serium, Cerium
العربيه ??????
Il-Malti Sirjum
עברית ?????
Esperanto Cerio

History

Discovered In
1803
Discovered By
Wilhelm von Hisinger, Jns Jacob Berzelius, Martin Klaproth
Discovered At
Sweden, Germany
Word Origin
Named after the asteroid Ceres which discovered in 1801, 2 years before the element