Lourensiy
103
Lr
Guruh
Nomaʼlum
Davr
7
Block
d
Protonlar
Elektronlar
Neytronlar
103
103
159
General Properties
Atom raqami
103
Atom massasi
[262]
Mass Number
262
Turkum
Aktinoidlar
Ranggi
Nomaʼlum
Radioaktivlik
Ha
Named after Ernest O. Lawrence, inventor of the cyclotron
Crystal Structure
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.
Electrons per shell
2, 8, 18, 32, 32, 8, 3
Elektron konfiguratsiyasi
[Rn] 5f14 7s2 7p1
Lawrencium is a trivalent ion in aqueous solution
Physical Properties
Phase
Qattiq modda
Zichlik
-
Erish harorati
1900 K | 1626,85 °C | 2960,33 °F
Qaynash harorati
-
Heat of Fusion
Nomaʼlum
Heat of Vaporization
Nomaʼlum
Solishtirma issiqlik sigʻimi
-
Abundance in Earth's crust
Nomaʼlum
Abundance in Universe
Nomaʼlum
CAS Number
22537-19-5
PubChem CID Number
Nomaʼlum
Atomic Properties
Atom radiusi
-
Kovalentlik radiusi
-
Elektrmanfiylik
1,3 (Poling boʻyicha)
Ionization Potential
4,9 eV
Molyar hajm
-
Issiqlik oʻtkazuvchanlik
0,1 W/cm·K
Oksidlanish darajasi
3
Applications
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