American Elements
   



lawrencium
Lawrencium information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.

 

  Hydrogen                                 Helium
  Lithium Beryllium                     Boron Carbon Nitrogen Oxygen Fluorine Neon
  Sodium Magnesium                     Aluminum Silicon Phosphorus Sulfur Chlorine Argon
  Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Hydrogen Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
  Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
  Cesium Barium Cerium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon
                                     
      Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium    
      Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawerencium    


(click on an element)

Lawrencium is a Block D, Group 3, Period 7 element. The electronic configuration is [Rn] 5f14 6d1 7s2. In its elemental form lawrencium's CAS number is 22537-19-5. The lawrencium atom has a radius of -.pm and it's Van der Waals radius is 200.pm.

Lawrencium was discovered by Albert Ghiorso, Torbjorn Sikkeland, Almon E. Larsh and Robert M. Latimer  in 1961.

 

 

French xénon German Lawrencium Italian xeno PortugueseXênon Spanish xenón Swedish xenón

Lawrencium Safety Data. The safety data for lawrencium metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin.

Ionization Energy. The ionization energy for lawrencium (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:

1st Ionization Energy
- kJ mol-1
2nd Ionization Energy
- kJ mol-1
3rd Ionization Energy
- kJ mol-1

Conductivity. As to lawrencium's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @ 20 ºC is - µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is 1.3. The thermal conductivity of lawrencium is - W m-1 K-1.

Thermal Properties of Lawrencium. The melting point and boiling point for lawrencium are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.

Heat of Fusion
- kJ mol-1
Heat of Vaporization
- kJ mol-1
Heat of Atomization
308 kJ mol-1



 
Formula Atomic Number Molecular Weight Electronegativity (Pauling) Density Melting Point
Boiling Point
Vanderwaals radius
Ionic radius Energy of first ionization
Lr 103 (262)  g.mol -1 - - g/L 1627 °C -108.12 °C .200 nm - pm - kJ.mol-1

PRODUCT CATALOG U.S. Operations Submicron & Nanopowder Tolling Ultra High Purity Sputtering Target Crystal Growth Rod, Plate, Powder, etc. Foil
 
German   Korean   French   Japanese   Spanish   Chinese (Simplified)   Portuguese   Russian   Chinese (Taiwan)   Italian   Turkish   Polish   Dutch   Czech   Swedish   Hungarian   Danish   Hebrew

Production Catalog Available in 32 Countries
 
Periodic table of the elements science and academic information, elements and advanced materials data, scientific presentations and all pages, designs, concepts, logos, and color schemes herein are the copyrighted proprietary rights and intellectual property of American Elements. American Elements is a U.S. Registered Trademark. © 2001-2009. American Elements. All rights reserved.

 

Recent Research & Development for Lawrencium

  • Density functional theory studies of actinide(III) motexafins (An-Motex2+, An = Ac, Cm, Lr). Structure, stability, and comparison with lanthanide(III) motexafins. Inorg Chem. 2006 Apr 17;45(8):3444-51.

  • Resonance transition energies and oscillator strengths in lutetium and lawrencium. Phys Rev Lett. 2002 May 6;88(18):183001. Epub 2002 Apr 19.

  • Transition energies of ytterbium, lutetium, and lawrencium by the relativistic coupled-cluster method. Phys Rev A. 1995 Jul;52(1):291-296. No abstract available.

  • Relativistic and correlation effects in the ground state of atomic lawrencium. Phys Rev A. 1995 Jan;51(1):278-282. No abstract available.

 

American Elements Products can also be sourced at these sites:
 
 
 
electronics-ee.com