Yttrium (Y)

General Properties

Symbol Y
Atomic Number 39
Atomic Weight 88.90585
Group
3 (scandium family)
IIIA (IUPAC), IIIB (CAS)
Solid, Conductor, Transition Metal, Metal, Stable, Natural
Period 5
Block d

Physical Properties

Density 4.47 g/cm3
Atomic Volume 19.8 cm3/mole
Atomic Radius 1.78 angstroms
Covalent Radius 162 pm
Crust Abundance 0.0029%
Crystal Structure Hexagonal
Color Silver

Energy

Electronegativity 1.2 (Pauling Scale)
Electron Affinity 29.6 kJ/mol
1st Ionization Energy 600 kJ/mol
2nd Ionization Energy 1180 kJ/mol
3rd Ionization Energy 1980 kJ/mol
4th Ionization Energy 5847 kJ/mol
5th Ionization Energy 7430 kJ/mol
6th Ionization Energy 8970 kJ/mol
7th Ionization Energy 11190 kJ/mol
8th Ionization Energy 12450 kJ/mol
9th Ionization Energy 14110 kJ/mol
10th Ionization Energy 18400 kJ/mol
11th Ionization Energy 19900 kJ/mol
12th Ionization Energy 36090 kJ/mol
Specific Heat Capacity 0.3 J g−1 K−1
Thermal Conductivity 17.2 W·m−1·K−1

Electrons & Oxidation

Oxidation States 3
Electrons Per Shell 2 8 18 9 2
Electron Configuration [Kr] 4d1 5s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d1 5s2
Orbital Diagram
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿⇂
↿⇂
↿⇂
4d
↿ 
 
 
 
 
4f
 
 
 
 
 
 
 
5s
↿⇂
5p
 
 
 
5d
 
 
 
 
 
5f
 
 
 
 
 
 
 

Nuclear

Radioactive No

Media

Planetary Bohr Model of Yttrium (Y)
Description
Silvery, ductile, fairly reactive metal.
Uses
Combined with europium to make red phosphors for color TV's. Yttrium oxide and iron oxide combine to form a crystal garnet used in radar.
Sources
Found in minerals such as monazite, xenotime, and yttria.
Pronounciation (English)
IT-ri-em

Translations

Afrikaans Ittrium
Aragonese Itrio
العربية يتريوم
Armãneashte Itriumu
asturianu Itriu
azərbaycan dili İttrium
български Итрий
বাংলা ইটরিয়াম
brezhoneg Itriom
bosanski Itrij[um]
Byelorussian Iтрый
Cebuano Itriyo
čeština Yttrium
Chuvash Иттри
Cymraeg Itri
dansk Yttrium
Deutsch Yttrium
Ελληνικά Υττριο
English Yttrium
esperanto Itrio
español Itrio
eesti ütrium
euskara Itrioa
فارسی ایتریم
suomi Yttrium
føroyskt Yttrium
français Yttrium
furlan Itri
West-Frysk Yttrium
Gaeilge Itriam
Gàidhlig Itriam
galego Itrio
ગુજરાતી ઇટ્રીયમનો
Gaelg Yttrium
Hakka Chinese Yet (釔)
עברית איטריום
हिन्दी इत्रियम
hrvatski Itrij
magyar Ittrium
հայերեն Իտրիում
Indonesia Itrium
íslenska Yttrín
italiano Ittrio
日本語 イットリウム
ქართული იტრიუმი
کٲشُر Éter
қазақ тілі Иттрий
한국어 이트륨
Kurdish Îtriyûm
Komi Иттрий
kernewek Ytryum
кыргызча Иттрий
Latin Yttrium
Lëtzebuergesch Yttrium
Lombard Ítri
lingála Yetibu (Yb?)
lietuvių Itris
latviešu Itrijs
Mari Иттрий
Maori Yttrium
македонски Итриум
മലയാളം യിട്രിയം
монгол Иттри
Мокшан Итри
Bahasa Melayu Ytrium
Malti Ittrijum, ²Ittrju
Nahuatl Itrio
Nederlands Yttrium
norsk Yttrium
Occitan Ittri
ирон Иттрий
polski Itr
português Itrio
Runasimi Itriyu
română Ytriu
русский Иттрий
slovenčina Ytrium
slovenščina Itrij
Samoan Itrimi
Samogitian Ėtris
shqip Itrium, ²Yttriumi
српски Итријум
Southern Sotho Yttriamo
svenska Yttrium
Kiswahili Yitri
தமிழ் யிற்றியம்
Tajik Иттрий
ไทย อิตเทรียม
Türkçe İtriyum
ئۇيغۇرچە ئىتترىي
українська Iтрій
o‘zbek Ittriy
Tiếng Việt Ytri
Võro ütrium
中文

History

Discovered In
1794
Discovered By
Johann Gadolin
Discovered At
Finland
Word Origin
Named after the village of "Ytterby" near Vaxholm in Sweden