Lourensiy
103
Lr
Guruh
Nomaʼlum
Davr
7
Blok
d
Protonlar
Elektronlar
Neytronlar
103
103
159
Umumiy xususiyatlar
Atom raqami
103
Atom massasi
[262]
Mass raqami
262
Turkum
Aktinoidlar
Ranggi
Nomaʼlum
Radioaktivlik
Ha
Named after Ernest O. Lawrence, inventor of the cyclotron
Kristall tuzilma
Nomaʼlum
Tarix
Lawrencium was discovered by Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh and Robert M. Latimer in 1961 at the University of California, Berkeley.
It was produced by the bombardment of californium with boron atoms.
Lawrencium was the last member of the actinide series to be discovered.
It was produced by the bombardment of californium with boron atoms.
Lawrencium was the last member of the actinide series to be discovered.
Qobiqdagi elektronlar soni
2, 8, 18, 32, 32, 8, 3
Elektron konfiguratsiyasi
[Rn] 5f14 7s2 7p1
Lawrencium is a trivalent ion in aqueous solution
Jismoniy xususiyatlar
Faza
Qattiq modda
Zichlik
- g/cm3
Erish harorati
1900 K | 1626,85 °C | 2960,33 °F
Qaynash harorati
-
Eritish issiqligi
Nomaʼlum kJ/mol
Bugʻlanish issiqligi
Nomaʼlum kJ/mol
Solishtirma issiqlik sigʻimi
- J/g·K
Yer po‘stidagi miqdori
Nomaʼlum
Olamdagi miqdori
Nomaʼlum
CAS raqami
22537-19-5
PubChem CID raqami
Nomaʼlum
Atom xususiyatlari
Atom radiusi
-
Kovalentlik radiusi
-
Elektrmanfiylik
1,3 (Poling boʻyicha)
Ionlashish potensiali
4,9 eV
Molyar hajm
-
Issiqlik oʻtkazuvchanlik
0,1 W/cm·K
Oksidlanish darajasi
3
Qo‘llanilish sohalari
Lawrencium is used for scientific research purposes only.
Lawrencium is harmful due to its radioactivity
Izotoplar
Barqaror izotoplar
-Beqaror izotoplar
251Lr, 252Lr, 253Lr, 254Lr, 255Lr, 256Lr, 257Lr, 258Lr, 259Lr, 260Lr, 261Lr, 262Lr, 263Lr, 264Lr, 265Lr, 266Lr