Periodic table of the elements
NobeliumLawrenciumRutherfordium
103
Lr
Lawrencium
(262)
2
8
18
32
32
9
2
103
Lr
Lawrencium
(262)
2
8
18
32
32
9
2
General
NameLawrencium
SymbolLr
Number103
Chemical seriesActinides
Group / Period0 / 7
Blockd-block
CAS registry number22537-19-5

Lawrencium is a radioactive element

Physical properties
Statesolid
Density g/cm3
Melting point1900 K (1627°C, 2961°F)
Boiling point
Critical point

Atomic properties
Atomic Weight(262) g/mol
Crystal structure
Electronegativity1.291
Atomic radius
Atomic radius (calculated)
Electron configuration[Rn] 5f14 6d1 7s2
Electrons per shell2, 8, 18, 32, 32, 9, 2
Number of protons103
Number of neutrons159

Other languages
SpanishLaurencio
PortugueseLaurêncio
FrenchLawrencium
GermanLawrencium
ItalianLaurenzio
RussianЛоуренсий
PolishLorens
Chinese
Arabicلورنسيوم
TurkishLavrensiyum
DutchLawrencium


Periodic table of the elements
NobeliumLawrenciumRutherfordium