Element Family
Post-Transition
Transition Metal
Space Group Name
Pm-3m
Fm_ 3m
Interesting Facts
- Polonium was the first radioactive element to be discovered.
- Polonium element and its compounds are highly radioactive.
- Its alloy with Beryllium provides source of neutrons.
- It is the most reflective element.
- Silver is the second most ductile metal after Gold.
- It is also used in Dentistry as a dental alloys for clips and crowning.
Sources
Mining, Ores of metals
Earth's crust, Found in Minerals, Ores of metals
Who Discovered
Pierre Curie and Marie Curie
Unknown
Discovery
In 1898
Before 5000 BC
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Uses & Benefits
- Polonium metal has different Allotropes, it is used in antistatic devices and for research purpose.
- A 1 gram of Polonium can reach a temperature of 500°C, hence it is used as a heat source for space equipment.
- Silver is mainly used for Jewelry and show piece.
- It is used for manufacturing high quality mirrors due to its reflectivity property.
Industrial Uses
Aerospace Industry, Ammunition Industry
Chemical Industry, Clothing Industry, Electrical Industry
Medical Uses
NA
Dentistry, Pharmaceutical Industry
Other Uses
Alloys
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silver
Silvery White
Mohs Hardness
Not Available
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
Reflectivity
Not Available
α Allotropes
α-polonium
Not Available
β Allotropes
β-polonium
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Sanderson Electronegativity
Not Available
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Pauling Electropositivity
2nd Energy Level
Not Available
3rd Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Ionization, Solubility
Electron Configuration
[Xe] 4f14 5d10 6s2 6p4
[Kr] 4d10 5s1
Crystal Structure
Monoclinic (MON)
Face Centered Cubic (FCC)
Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100
FCC-Crystal-Structure-of-Silver.jpg#100
Valence Electron Potential
Not Available
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.)
Tensile Strength
Not Available
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, Malleable
Magnetic Ordering
Nonmagnetic
Diamagnetic
Susceptibility
Not Available
Electrical Property
Conductor
Conductor
Critical Temperature
Not Available
Not Available
Standard Molar Entropy
Not Available