Lavrencij
103
Lr
Skupina
n/a
Perioda
7
Blok
d
Protons
Electrons
Neutrons
103
103
159
General Properties
Vrstno število
103
Atomska teža
[262]
Mass Number
262
Kategorija
Aktinoidi
Barva
n/a
Radioactive
Da
Named after Ernest O. Lawrence, inventor of the cyclotron
Kristalna struktura
n/a
Zgodovina
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
Razporeditev elektronov
[Rn] 5f14 7s2 7p1
Lawrencium is a trivalent ion in aqueous solution
Physical Properties
Faza snovi
Trdnina
Gostota
-
Tališče
1900 K | 1626,85 °C | 2960,33 °F
Vrelišče
-
Talilna toplota
n/a
Izparilna toplota
n/a
Toplotna kapaciteta
-
Abundance in Earth's crust
n/a
Abundance in Universe
n/a
CAS Number
22537-19-5
PubChem CID Number
n/a
Atomic Properties
Atomski polmer
-
Kovalentni polmer
-
Elektronegativnost
1,3 (Paulingova lestvica)
Ionization Potential
4,9 eV
Atomic Volume
-
Toplotna prevodnost
0,1 W/cm·K
Oksidacijska stanja
3
Applications
Lawrencium is used for scientific research purposes only.
Lawrencium is harmful due to its radioactivity
Isotopes
Stable Isotopes
-Unstable Isotopes
251Lr, 252Lr, 253Lr, 254Lr, 255Lr, 256Lr, 257Lr, 258Lr, 259Lr, 260Lr, 261Lr, 262Lr, 263Lr, 264Lr, 265Lr, 266Lr