Итербијум
70
Yb
Група
н/д
Периода
6
Блок
f
Протони
Електрони
Неутрони
70
70
103
Општа својства
Атомски број
70
Атомска маса
173,054
Масени број
173
Категорија
Лантаноиди
Боја
Сребрена
Радиоактиван
Не
Ytterbium was named after Ytterby, a town in Sweden
Кристална структура
Површинскицентрична Кубична
Историја
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.
Електрони по љусци
2, 8, 18, 32, 8, 2
Електронска конфигурација
[Xe] 4f14 6s2
Ytterbium is recovered commercially from monazite sand
Физичка својства
Стање
Чвсрто
Густина
6,965 g/cm3
Температура топљења
1097,15 K | 824 °C | 1515,2 °F
Температура кључања
1469,15 K | 1196 °C | 2184,8 °F
Топлота топљења
7,7 kJ/mol
Топлота испаравања
160 kJ/mol
Специфична топлота
0,155 J/g·K
Заступљеност у Земљиној кори
0,00028%
Заступљеност у Космосу
2×10-7%
CAS број
7440-64-4
ПубЦхем ЦИД број
23992
Атомска својства
Атомски радијус
176 pm
Ковалентни радијус
187 pm
Електронегативност
1,1 (Полингова скала)
Јонизујући потенцијал
6,2542 eV
Молска запремина
24,79 cm3/mol
Топлотна проводљивост
0,349 W/cm·K
Оксидациона стања
2, 3
Примена
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
Изотопи
Стабилни изотопи
168Yb, 170Yb, 171Yb, 172Yb, 173Yb, 174Yb, 176YbНестабилни изотопи
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