Holmium (Ho)

Symbol Ho
Atomic Number 67
Atomic Weight 164.93032
Group (Lanthanoids)
Period 6
Block f

Planetary Bohr Model of Ho
Lewis Dot Diagram of Ho

Physical Properties

Density 8.8 g/cm3
Atomic Volume 18.7 cm3/mole
Atomic Radius 1.79 angstroms
Covalent Radius pm
Radioactive No

States

Melting Point 1474.0 °C
Boiling Point 2700.0 °C
Heat Of Fusion 11.06 kJ/mole
Heat Of Vaporization 251.04 kJ/mole

Energy

Electronegativity 1.2 (Pauling Scale)
Electron Affinity kJ/mol
1st Ionization Energy 581 kJ/mol
Specific Heat Capacity 0.165 J g−1 K−1
Thermal Conductivity 16.2 W·m−1·K−1

Electrons and Oxidation

Oxidation States 3
Electrons Per Shell 2 8 18 29 8 2
Electron Configuration [Xe] 4f11 6s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f11 6s2

Translations

English Holmium
Deutsch Holmium
Lëtzebuergesch Holmium
Nederlands Holmium
Afrikaans Holmium
Frysk Holmium
Dansk Holmium
Svenska Holmium
Norsk Holmium
Íslenska Holmn
Føroysk Holmium
Latin Holmium
Français Holmium
Español Holmio
Catalana Holmi
Occitana lmi
Português Hlmio
Galego Holmio
Italiano Olmio
Furlan Olmi
Român Holmiu
Moldavian Holmiu
Armãneashte Holmiumu
Русский ???????
Українска ???????
Byelorussian ???????
Polska Holm
Kaszëbsczi Hlm
Čech Holmium
Slovenský Holmium
Slovenščina Holmij
Hrvatska Holmij
Српски ?????j??
Bosnian Holmij
Македонски ???????
Български ???????
Lietuviškai Holmis
Lao Holmijs
Sudovian H?lmijan
Cymraeg Holmiwm
Gaeilge na hÉireann Hoilmiam
Gàidhlig na h Hoilmiam
Gaelg Vanninagh Holmium
Cornish Holmyum
Brezhoneg Holmiom
Ελληνική ?????
Shqip Holmium
Ossetian ???????
Euskera Holmioa
Georgian ????????
Suomi Holmium
Eesti Holmium
Magyar Holmium
Türkçe Holmiyum
Kazakh ???????
Uzbek ???????
Tajik Gol'mi'
Mongolian ??????
日本語 ????? [horumiumu]
中国话 ?
ไทย ????????
Vietnamese Holmi, Honmi
Bahasa Melayu Holmium
العربيه ??????
Il-Malti Holmjum
עברית ???????
Esperanto Holmio

History

Discovered In
1878
Discovered By
J. L. Soret and Delafontaine
Discovered At
Switzerland
Word Origin
From the Greek word "Holmia" meaning "Sweden"