Uranyum
92
U
Grup
yok
Periyot
7
Blok
f
Protonlar
Elektronlar
Nötronlar
92
92
146
Temel Özellikleri
Atom numarası
92
Atom ağırlığı
238,02891
Kütle Numarası
238
Kategori
Aktinit
Renk
Gümüşi
Radyoaktif
Evet
Named after the planet Uranus
Kristal yapısı
Taban merkezli ortorombik
Tarihi
Uranium was discovered in 1789 by the German chemist Martin Heinrich Klaproth.
In 1841, Eugène-Melchior Péligot isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.
Antoine Henri Becquerel discovered radioactivity by using uranium in 1896.
In 1841, Eugène-Melchior Péligot isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.
Antoine Henri Becquerel discovered radioactivity by using uranium in 1896.
Enerji seviyesi başına Elektronlar
2, 8, 18, 32, 21, 9, 2
Elektron dizilimi
[Rn] 5f3 6d1 7s2
Uranium-235 was the first isotope that was found to be fissile
Fiziksel Özellikleri
Faz
Katı
Yoğunluk
18,95 g/cm3
Ergime noktası
1405,35 K | 1132,2 °C | 2069,96 °F
Kaynama noktası
4404,15 K | 4131 °C | 7467,8 °F
Ergime ısısı
14 kJ/mol
Buharlaşma ısısı
420 kJ/mol
Isı kapasitesi
0,116 J/g·K
Dünya kabuğundaki bulunulabilirliği
0,00018%
Evrendeki bulunulabilirliği
2×10-8%
CAS Numarası
7440-61-1
PubChem CID Numarası
23989
Atom Özellikleri
Atom yarıçapı
156 pm
Kovalent yarıçapı
196 pm
Elektronegatifliği
1,38 (Pauling ölçeği)
İyonlaşma enerjisi
6,1941 eV
Atomik Hacim
12,59 cm3/mol
Isıl iletkenlik
0,276 W/cm·K
Yükseltgenme seviyeleri
3, 4, 5, 6
Uygulamalar
Uranium is used as fuel for nuclear power plants.
Uranium is used as a colorant in uranium glass, producing orange-red to lemon yellow hues.
It was also used for tinting and shading in early photography.
The major application of uranium in the military sector is in high-density penetrators.
Uranium is used as a colorant in uranium glass, producing orange-red to lemon yellow hues.
It was also used for tinting and shading in early photography.
The major application of uranium in the military sector is in high-density penetrators.
Uranium is toxic and highly radioactive
İzotoplar
Kararlı izotoplar
-Kararsız izotoplar
215U, 216U, 217U, 218U, 219U, 220U, 221U, 222U, 223U, 224U, 225U, 226U, 227U, 228U, 229U, 230U, 231U, 232U, 233U, 234U, 235U, 236U, 237U, 238U, 239U, 240U, 241U, 242U