Group Number
Not Available
Element Family
Actinide
Post-Transition
Space Group Name
I4/mmm
I4/mmm
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Luster of Indium is bright in nature.
- Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
Sources
Found in Uranium Ores, Mining, Ores of metals
Mining, Ores of metals
Who Discovered
William Crookes
Ferdinand Reich and Hieronymous Theodor Richter
Discovery
In 1900
In 1863
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Uses & Benefits
- Currently known uses of Protactinium metal are limited to research purpose only.
- It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
- Its nitride, phosphide and antimonide are used in transistors and microchips.
Industrial Uses
NA
Aerospace Industry, Automobile Industry
Medical Uses
NA
Medical Research
Other Uses
NA
Alloys, In Nuclear Reactors
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silver
Silvery Gray
Mohs Hardness
Not Available
Brinell 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
Mulliken-Jaffe Electronegativity
Not Available
Allen Electronegativity
Not Available
Pauling Electropositivity
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Electron Configuration
[Rn] 5f2 6d1 7s2
[Kr] 4d10 5s2 5p1
Crystal Structure
Tetragonal (TETR)
Tetragonal (TETR)
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100
TETR-Crystal-Structure-of-Indium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
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 1000 K
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
Unknown
Ductile, Malleable
Magnetic Ordering
Paramagnetic
Diamagnetic
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