Group Number
Not Available
Not Available
Element Family
Actinide
Lanthanide
Space Group Name
Fm_ 3m
Im_ 3m
Interesting Facts
Not Available
Not Available
Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Friedrich Oskar Giesel
Eugène-Anatole Demarçay
Discovery
In 1902
In 1896
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available
Uses & Benefits
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
- Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
-
It is used in low energy light bulbs.
Industrial Uses
NA
Chemical Industry
Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silvery White
Silvery White
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
Sanderson Electronegativity
Not Available
Allred Rochow Electronegativity
Not Available
Pauling Electropositivity
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Rn] 6d1 7s2
[Xe] 4f7 6s2
Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100
BCC-Crystal-Structure-.jpg#100
Covalent Radius
Not Available
Van der Waals Radius
Not Available
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
Shear Modulus
Not Available
Bulk Modulus
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Other Mechanical Properties
NA
Ductile
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Unknown
Conductor
Resistivity
Not Available
Electrical Conductivity
Not Available
Electron Affinity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Enthalpy of Vaporization
Not Available
Enthalpy of Fusion
Not Available