Group Number
Not Available
Not Available
Element Family
Lanthanide
Actinide
Space Group Name
P63/mmc
I4/mmm
Interesting Facts
- Metal dust of Lutetium element is highly explosive.
- Lutetium metal is corrosion resistance and acts stable in air.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Georges Urbain and Carl Auer von Welsbach
William Crookes
Discovery
In 1906
In 1900
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Uses & Benefits
- Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
- Currently known uses of Protactinium metal are limited to research purpose only.
Toxicity
Low Toxic
Highly Toxic
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Silver
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Allred Rochow Electronegativity
Pauling Electropositivity
5th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
Electron Configuration
[Xe] 6s2 4f14 5d1
[Rn] 5f2 6d1 7s2
Crystal Structure
Hexagonal Close Packed (HCP)
Tetragonal (TETR)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Not Available
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Vapor Pressure at 2000 K
Not Available
Shear Modulus
Not Available
Bulk Modulus
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Other Mechanical Properties
NA
Unknown
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Conductor
Electron Affinity
Not Available
Molar Heat Capacity
Not Available
Critical Temperature
Not Available
Not Available
Enthalpy of Vaporization
Not Available
Enthalpy of Atomization
Not Available