Group Number
Not Available
Element Family
Actinide
Transition Metal
Space Group Name
P63/mmc
P63/mmc
Interesting Facts
- Americium metal is produced by bombarding Plutonium with Neutrons.
- Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
Sources
Obtained By Bombarding Plutonium with Neutrons
Made by Bombarding Molybdenum with Deuterons
Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Emilio Segrè and Carlo Perriero
Discovery
In 1944
In 1937
Uses & Benefits
- Americium metal is used in smoke detection alarms.
-
In the future, this metal has a potential to be used in batteries of spacecrafts.
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys, Nuclear Research, Research Purposes
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Shiny Gray
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
Allen Electronegativity
Not Available
Pauling Electropositivity
4th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Electron Configuration
[Rn] 5f7 7s2
[Kr] 4d5 5s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100
HCP-Crystal-Structure-of-Technetium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
Density At Room Temperature
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
NA
NA
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Unknown
Conductor
Electron Affinity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Enthalpy of Vaporization
Not Available
Standard Molar Entropy
Not Available