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|phase= solid
|phase= solid
|phase comment = presumably
|phase comment = presumably
|melting point= 1724 C
|melting point=1724 C
|melting point comment= predicted
|melting point comment=predicted
|boiling point= 3688 C
|boiling point=3688 C
|boiling point notes= predicted
|boiling point notes=predicted
|density= 13.269 g/cm^3
|density=13.269 g/cm^3
|density notes= predicted
|density notes=predicted
|oxidation states= '''3'''
|oxidation states= '''3'''
|number of ionization energies=3
|number of ionization energies=3

Revision as of 20:30, 8 March 2011

Lawrencium, 00Lr
Lawrencium
Pronunciation/lɒˈrɛnsiəm/ ⓘ ​(lo-REN-see-əm)
Appearanceunknown, probably silvery, white or metallic gray
Mass number[266]
Lawrencium in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel 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
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Lu
↑
Lr
↓
(Upt)
nobelium ← lawrencium → rutherfordium
Groupgroup 3
Periodperiod 7
Block  d-block
Electron configuration[Rn] 5f14 7s2 7p1
Electrons per shell2, 8, 18, 32, 32, 9, 2
Physical properties
Phase at STPsolid presumably
Density 13.269 g/cm^3
Atomic properties
Oxidation states+3
Other properties
Natural occurrencesynthetic
CAS Number22537-19-5
Isotopes of lawrencium
Main isotopes[1] Decay
abun­dance half-life (t1/2) mode pro­duct
256Lr synth 27.9 s α 252Md
β+ 256No
260Lr synth 3.0 min α 256Md
β+ 260No
261Lr synth 39 min SF –
262Lr synth 4 h β+ 262No
264Lr synth 4.8 h[2] SF –
266Lr synth 11 h SF –
 Category: Lawrencium
| references

References

These references will appear in the article, but this list appears only on this page.
  1. ^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
  2. ^ Oganessian, Yu. Ts.; Utyonkov, V. K.; Kovrizhnykh, N. D.; et al. (2022). "New isotope 286Mc produced in the 243Am+48Ca reaction". Physical Review C. 106 (064306). doi:10.1103/PhysRevC.106.064306.
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