Ytterbium
70
Yb
Gruppe
n/a
Periode
6
Blokk
f
Protons
Electrons
Neutrons
70
70
103
Generelle eigenskapar
Atomnummer
70
Atommasse
173,054
Mass Number
173
Kategori
Lantanid
Farge
Silver
Radioactive
Nei
Ytterbium was named after Ytterby, a town in Sweden
Krystallstruktur
Face Centered Cubic
Historie
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.
Elektron per energinivå
2, 8, 18, 32, 8, 2
Elektronkonfigurasjon
[Xe] 4f14 6s2
Ytterbium is recovered commercially from monazite sand
Fysiske eigenskapar
Tilstandsform
Fast stoff
Tettleik
6,965 g/cm3
Smeltepunkt
1097,15 K | 824 °C | 1515,2 °F
Kokepunkt
1469,15 K | 1196 °C | 2184,8 °F
Smeltevarme
7,7 kJ/mol
Fordampingsvarme
160 kJ/mol
Spesifikk varmekapasitet
0,155 J/g·K
Abundance in Earth's crust
0,00028%
Abundance in Universe
2×10-7%
CAS Number
7440-64-4
PubChem CID Number
23992
Atom eigenskapar
Atomradius
176 pm
Kovalent radius
187 pm
Elektronegativitet
1,1 (Paulings skala)
Ioniseringspotensial
6,2542 eV
Molart volum
24,79 cm3/mol
Termisk konduktivitet
0,349 W/cm·K
Oksidasjonstrinn
2, 3
Applications
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
Isotopes
Stable Isotopes
168Yb, 170Yb, 171Yb, 172Yb, 173Yb, 174Yb, 176YbUnstable Isotopes
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