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.
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
Sources
Found in Uranium Ores, Mining, Ores of metals
Made by Bombarding Molybdenum with Deuterons
Who Discovered
William Crookes
Emilio Segrè and Carlo Perriero
Discovery
In 1900
In 1937
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available
Uses & Benefits
- Currently known uses of Protactinium metal are limited to research purpose only.
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
Other Uses
NA
Alloys, Nuclear Research, Research Purposes
Toxicity
Highly Toxic
Low Toxic
Present in Human Body
No
No
Physical State
Solid
Solid
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
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
Pauling Electropositivity
4th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Electron Configuration
[Rn] 5f2 6d1 7s2
[Kr] 4d5 5s2
Crystal Structure
Tetragonal (TETR)
Hexagonal Close Packed (HCP)
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100
HCP-Crystal-Structure-of-Technetium.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
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
Unknown
NA
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