Lawrensium
103
Lr
Kumpulan
Tiada
Kala
7
Blok
d
Proton
Elektron
Neutron
103
103
159
Ciri-Ciri Am
Nombor atom
103
Berat atom
[262]
Nombor jisim
262
Kategori
Aktinid
Warna
Tiada
Radioaktif
Ya
Named after Ernest O. Lawrence, inventor of the cyclotron
Struktur hablur
Tiada
Sejarah
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.
Bilangan elektron per petala
2, 8, 18, 32, 32, 8, 3
Konfigurasi elektron
[Rn] 5f14 7s2 7p1
Lawrencium is a trivalent ion in aqueous solution
Ciri-Ciri Fizikal
Fasa
Pepejal
Ketumpatan
- g/cm3
Takat lebur
1900 K | 1626.85 °C | 2960.33 °F
Takat didih
-
Haba pelakuran
Tiada kJ/mol
Haba pengewapan
Tiada kJ/mol
Muatan haba molar
- J/g·K
Banyak pada kerak bumi
Tiada
Banyak pada alam semesta
Tiada
Nombor CAS
22537-19-5
Nombor PubChem CID
Tiada
Ciri-Ciri Atom
Jejari atom
-
Jejari kovalen
-
Keelektronegatifan
1.3 (Skala Pauling)
Kebolehan mengion
4.9 eV
Isipadu atom
-
Daya pengaliran terma
0.1 W/cm·K
Keadaan pengoksidaan
3
Aplikasi
Lawrencium is used for scientific research purposes only.
Lawrencium is harmful due to its radioactivity
Isotop
Isotop stabil
-Isotop tidak stabil
251Lr, 252Lr, 253Lr, 254Lr, 255Lr, 256Lr, 257Lr, 258Lr, 259Lr, 260Lr, 261Lr, 262Lr, 263Lr, 264Lr, 265Lr, 266Lr