Copper (Cu)

Symbol Cu
Atomic Number 29
Atomic Weight 63.546
Group 11 (copper family)
IB (Old IUPAC), IB (CAS)
Period 4
Block d

Planetary Bohr Model of Cu

Physical Properties

Density 8.96 g/cm3
Atomic Volume 7.1 cm3/mole
Atomic Radius 1.28 angstroms
Covalent Radius 138 pm
Radioactive No

States

Melting Point 1083.0 °C
Boiling Point 2567.0 °C
Heat Of Fusion 13.14 kJ/mole
Heat Of Vaporization 300.5 kJ/mole

Energy

Electronegativity 1.9 (Pauling Scale)
Electron Affinity -118 kJ/mol
1st Ionization Energy 746 kJ/mol
Specific Heat Capacity 0.385 J g−1 K−1
Thermal Conductivity 401.0 W·m−1·K−1

Electrons and Oxidation

Oxidation States +2,1
Electrons Per Shell 2 8 18 1
Electron Configuration [Ar] 3d10 4s1
1s2 2s2 2p6 3s2 3p6 3d10 4s1

Translations

English Copper
Deutsch Kupfer
Lëtzebuergesch Koffer
Nederlands Koper
Afrikaans Koper
Frysk Koper
Dansk Kobber
Svenska Koppar
Norsk Kobber
Íslenska Kopar or Eir
Føroysk Kopar
Latin Cuprum
Français Cuivre
Español Cobre
Catalana Coure
Occitana Coire
Português Cobre
Galego Cobre
Italiano Rame
Furlan Ram
Român Cupru
Moldavian Cupru
Armãneashte Halcum
Русский ????
Українска ????
Byelorussian ?????
Polska Mied?
Kaszëbsczi Kper
Čech M??
Slovenský Me?
Slovenščina Baker
Hrvatska Bakar
Српски ?????
Bosnian Bakar
Македонски ?????
Български ???
Lietuviškai Varis
Lao Var
Sudovian Varijan
Cymraeg Copor
Gaeilge na hÉireann Copar
Gàidhlig na h Copar
Gaelg Vanninagh Cobbyr
Cornish Cober
Brezhoneg Kouevr
Ελληνική ??????
Shqip Bakr
Ossetian ????
Euskera Kobrea
Georgian ????????
Suomi Kupari
Eesti Vask
Magyar Rz
Türkçe Bak?r
Kazakh ???
Uzbek ???
Tajik Mis
Mongolian ???
日本語 ? [dou]
中国话 ?
ไทย ??????
Vietnamese ??ng
Bahasa Melayu Kuprum, Tembaga
العربيه ????
Il-Malti Ram
עברית ?????
Esperanto Kupro

History

Discovered In
Discovered By
Discovered At
Word Origin
From the Latin word "cuprum" meaning the island of "Cyprus"