Group Number
Not Available
Element Family
Actinide
Transition Metal
Space Group Name
I4/mmm
P63/mmc
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Zirconium metal can resist to weak acids.
- Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals
Who Discovered
William Crookes
Martin Heinrich Klaproth
Discovery
In 1900
In 1789
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Abundance In Humans
Not Available
Uses & Benefits
- Currently known uses of Protactinium metal are limited to research purpose only.
- As this metal does not absorb neutrons; It is used in nuclear power stations.
- Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
Industrial Uses
NA
Aerospace Industry, Ammunition Industry
Other Uses
NA
Alloys, Nuclear Research, Research Purposes
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silver
Silvery White
Mohs Hardness
Not Available
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Sanderson Electronegativity
Not Available
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
Pauling Electropositivity
5th Energy Level
Not Available
6th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Rn] 5f2 6d1 7s2
[Kr] 4d2 5s2
Crystal Structure
Tetragonal (TETR)
Hexagonal Close Packed (HCP)
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100
HCP-Crystal-Structure-of-Zirconium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Not Available
Tensile Strength
Not Available
Viscosity
Not Available
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
Unknown
Ductile, Malleable
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