Lawrencium

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Next Element: Rutherfordium
103

Lr

260.1
Physical Properties
Color ---
Phase at Room Temp. ---
Density (g/cm3) ---
Hardness (Mohs) ---
Melting Point (K) ---
Boiling Point (K) ---
Heat of Fusion (kJ/mol) ---
Heat of Vaporization (kJ/mol) ---
Heat of Atomization (kJ/mol) ---
Thermal Conductivity (J/m sec K) ---
Electrical Conductivity (1/mohm cm) ---
Source Synthetic
Atomic Properties
Electron Configuration [Rn]7s25f146d1
Number of Isotopes 14 (0 natural)
Electron Affinity (kJ/mol) ---
First Ionization Energy (kJ/mol) ---
Second Ionization Energy (kJ/mol) ---
Third Ionization Energy (kJ/mol) ---
Electronegativity ---
Polarizability (Å3) ---
Atomic Weight 260.1
Atomic Volume (cm3/mol) ---
Ionic Radius2- (pm) ---
Ionic Radius1- (pm) ---
Atomic Radius (pm) ---
Ionic Radius1+ (pm) ---
Ionic Radius2+ (pm) ---
Ionic Radius3+ (pm) ---
Common Oxidation Numbers +3
Other Oxid. Numbers ---
Abundance
In Earth's Crust (mg/kg) ---
In Earth's Ocean (mg/L) ---
In Human Body (%) ---
Regulatory / Health
CAS Number 22537-19-5
OSHA Permissible Exposure Limit (PEL) No limits
OSHA PEL Vacated 1989 No limits
NIOSH Recommended Exposure Limit (REL) No limits
Sources:
University of Wisconsin General Chemistry
Mineral Information Institute
Jefferson Accelerator Laboratory
EnvironmentalChemistry.com
 
Glossary

Citation

(2006). Lawrencium. Retrieved from http://www.eoearth.org/view/article/51cbee537896bb431f69701e

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