Element Family
Alkaline Earth
Post-Transition
Space Group Name
Im_ 3m
Cmca
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.
- A gram of Gallium metal can be bought for only three dollars.
- Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
Sources
Mining, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Who Discovered
Not Available
Lecoq de Boisbaudran
Discovery
In 1898
In 1875
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
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.
- Gallium arsenide is a very important component of many semiconductors and led manufacturing.
- Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.
Industrial Uses
NA
Electrical Industry, Electronic Industry
Medical Uses
Pharmaceutical Industry
Surgical Instruments Manufacturing
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silvery White
Silvery White
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
Pauling Electropositivity
3rd Energy Level
Not Available
4th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes
Electron Configuration
[Rn] 7s2
[Ar] 3d10 4s2 4p1
Crystal Structure
Body Centered Cubic (BCC)
Orthorhombic (ORTH)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
ORTH-Crystal-Structure-of-Gallium.jpg#100
Atomic 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
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Other Mechanical Properties
NA
NA
Magnetic Ordering
Nonmagnetic
Diamagnetic
Electrical Property
NA
Semiconductor
Electrical Conductivity
Not Available
Electron Affinity
Not Available
Molar Heat Capacity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Enthalpy of Vaporization
Not Available
Enthalpy of Fusion
Not Available