Iterbij
70
Yb
Skupina
n/a
Perioda
6
Blok
f
Protoni
Elektroni
Neutroni
70
70
103
Opća svojstva
Atomski broj
70
Relativna atomska masa
173,054
Maseni broj
173
Kategorija
Lantanoidi
Boja
Srebrna
Radioaktivan
Ne
Iterbij je nazvan po Ytterbyu, gradu u Švedskoj
Kristalna struktura
Kubna plošno centrirana
Povijest
Ytterbium was discovered by the Swiss chemist Jean Charles Galissard de Marignac in the year 1878.
In 1907, in Paris, George Urbain separated ytterbia into two constituents.
Ytterbium metal was first made in 1937 by Klemm and Bonner by heating ytterbium chloride and potassium together.
A relatively pure sample of the metal was obtained only in 1953.
In 1907, in Paris, George Urbain separated ytterbia into two constituents.
Ytterbium metal was first made in 1937 by Klemm and Bonner by heating ytterbium chloride and potassium together.
A relatively pure sample of the metal was obtained only in 1953.
Elektrona po ljusci
2, 8, 18, 32, 8, 2
Elektronska konfiguracija
[Xe] 4f14 6s2
Ytterbium is recovered commercially from monazite sand
Fizikalna svojstva
Agregacijsko stanje
Čvrsto
Gustoća
6,965 g/cm3
Talište
1097,15 K | 824 °C | 1515,2 °F
Vrelište
1469,15 K | 1196 °C | 2184,8 °F
Toplina taljenja
7,7 kJ/mol
Toplina isparavanja
160 kJ/mol
Specifični toplinski kapacitet
0,155 J/g·K
Zastupljenost u Zemljinoj kori
0,00028%
Zastupljenost u svemiru
2×10-7%
CAS broj
7440-64-4
PubChem CID broj
23992
Atomska svojstva
Atomski radijus
176 pm
Kovalentni radijus
187 pm
Elektronegativnost
1,1 (Paulingova ljestvica)
Potencijal ionizacije
6,2542 eV
Atomski volumen
24,79 cm3/mol
Toplinska vodljivost
0,349 W/cm·K
Stanja oksidacije
2, 3
Primjene
Ytterbium fiber laser amplifiers are used in marking and engraving.
Ytterbium compounds are also used as catalysts in the organic chemical industry.
Ytterbium can be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel.
Ytterbium compounds are also used as catalysts in the organic chemical industry.
Ytterbium can be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel.
Ytterbium is considered to be moderately toxic
Izotopi
Stabilni izotopi
168Yb, 170Yb, 171Yb, 172Yb, 173Yb, 174Yb, 176YbNestabilni izotopi
148Yb, 149Yb, 150Yb, 151Yb, 152Yb, 153Yb, 154Yb, 155Yb, 156Yb, 157Yb, 158Yb, 159Yb, 160Yb, 161Yb, 162Yb, 163Yb, 164Yb, 165Yb, 166Yb, 167Yb, 169Yb, 175Yb, 177Yb, 178Yb, 179Yb, 180Yb, 181Yb