Group Number
Not Available
Element Family
Alkaline Earth
Actinide
Space Group Name
Im_ 3m
Fm_ 3m
Interesting Facts
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
Not Available
Sources
Mining, Ores of metals
Obtained by Treating Radium with Neutrons, Ores of metals
Who Discovered
Not Available
Friedrich Oskar Giesel
Discovery
In 1898
In 1902
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available
Abundance In Humans
Not Available
Uses & Benefits
- It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
-
It is used in luminous paints.
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
Medical Uses
Pharmaceutical Industry
NA
Other Uses
NA
Alloys, Nuclear Research, Research Purposes
Toxicity
Highly Toxic
Toxic
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Silvery White
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
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
Allen Electronegativity
Not Available
Pauling Electropositivity
3rd Energy Level
Not Available
4th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Electron Configuration
[Rn] 7s2
[Rn] 6d1 7s2
Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
Atomic Radius
Not Available
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
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
NA
NA
Magnetic Ordering
Nonmagnetic
Paramagnetic
Electrical Property
NA
Unknown
Resistivity
Not Available
Molar Heat Capacity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Not Available