Group Number
Not Available
Not Available
Element Family
Actinide
Lanthanide
Space Group Name
I4/mmm
P63/mmc
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Dysprosium acts stable in air at room temperature.
- Dysprosium behaves very much like paramagnetic metal.
Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals
Who Discovered
William Crookes
Lecoq de Boisbaudran
Discovery
In 1900
In 1886
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.
- Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
-
Thi metals alloy is used in magnate as it is resistance to high temperature.
Other Uses
NA
Alloys, Nuclear Research
Toxicity
Highly Toxic
Mildly Toxic
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silver
Silvery White
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
Allred Rochow Electronegativity
Pauling Electropositivity
Electrochemical Equivalent
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Rn] 5f2 6d1 7s2
[Xe] 4f9 6s2
Crystal Structure
Tetragonal (TETR)
Hexagonal Close Packed (HCP)
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100
HCP-Crystal-Structure-of-Dysprosium.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
Shear Modulus
Not Available
Bulk Modulus
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Other Mechanical Properties
Unknown
Sectile
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