1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.7 Block
1.8 Element Family
Actinide
Probably Post-Transition
1.9 CAS Number
744035954101143
7429905
54386242
2.4 Space Group Name
2.5 Space Group Number
4 Facts
4.1 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).
Not Available
4.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Synthetically Produced
4.3 History
4.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
4.3.3 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
5.2.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
5.5.3 Abundance In Meteorites
5.6.4 Abundance In Earth's Crust
5.6.10 Abundance In Oceans
5.6.14 Abundance In Humans
6 Uses
6.1 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.
- Currently known uses of Ununseptium metal are limited to research purpose only.
6.1.1 Industrial Uses
6.1.2 Medical Uses
6.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Research Purposes
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
6.5.1 In Bone
7 Physical
7.1 Melting Point
994.00 °C400.00 °C
27
3410
8.2 Boiling Point
2,607.00 °C610.00 °C
147
5660
8.9 Appearance
8.9.1 Physical State
8.9.2 Color
8.9.3 Luster
8.10 Hardness
8.10.1 Mohs Hardness
8.11.4 Brinell Hardness
8.13.2 Vickers Hardness
8.14 Speed of Sound
8.17 Optical Properties
8.17.1 Refractive Index
8.19.1 Reflectivity
9.2 Allotropes
9.2.1 α Allotropes
Not Available
Not Available
9.2.2 β Allotropes
Not Available
Not Available
9.2.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
10.2 Isotopes
10.2.1 Known Isotopes
10.4 Electronegativity
10.4.1 Pauling Electronegativity
10.5.3 Sanderson Electronegativity
11.2.1 Allred Rochow Electronegativity
11.2.4 Mulliken-Jaffe Electronegativity
11.9.4 Allen Electronegativity
11.11 Electropositivity
11.11.1 Pauling Electropositivity
11.14 Ionization Energies
11.14.1 1st Energy Level
578.00 kJ/mol742.90 kJ/mol
375.7
26130
12.1.3 2nd Energy Level
1,158.00 kJ/mol1,785.00 kJ/mol
710.2162
28750
12.1.5 3rd Energy Level
2,132.00 kJ/molNA
1600
34230
12.2.4 4th Energy Level
3,493.00 kJ/molNA
2780
37066
12.3.2 5th Energy Level
12.4.2 6th Energy Level
12.7.2 7th Energy level
13.1.2 8th Energy Level
13.2.2 9th Energy Level
13.3.2 10th Energy Level
13.6.3 11th Energy Level
13.7.2 12th Energy Level
13.9.4 13th Energy Level
14.1.5 14th Energy Level
14.2.5 15th Energy Level
16.1.4 16th Energy Level
16.3.3 17th Energy Level
16.4.2 18th Energy Level
16.7.3 19th Energy Level
16.8.3 20th Energy Level
16.11.1 21st Energy Level
16.11.2 22nd Energy Level
17.1.1 23rd Energy Level
17.1.2 24th Energy Level
2.2.3 25th Energy Level
2.5.2 26th Energy Level
2.8.1 27th Energy Level
3.1.1 28th Energy Level
3.2.1 29th Energy Level
3.4.1 30th Energy Level
3.5 Electrochemical Equivalent
3.02 g/amp-hrNA
0.16812
8.3209
4.4 Electron Work Function
4.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Ionization
5 Atomic
5.1 Atomic Number
5.4 Electron Configuration
[Rn] 5f7 7s2
[Rn] 5f14 6d10 7s2 7p5
5.5 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Not Known
5.5.1 Crystal Lattice
5.6 Atom
5.6.1 Number of Protons
1.2.1 Number of Neutrons
1.5.2 Number of Electrons
1.9 Radius of an Atom
1.9.1 Atomic Radius
1.10.1 Covalent Radius
1.17.1 Van der Waals Radius
1.22 Atomic Weight
243.00 amu294.00 amu
6.94
294
1.23 Atomic Volume
17.86 cm3/molNA
1.39
71.07
4.2 Adjacent Atomic Numbers
4.2.1 Previous Element
4.2.2 Next Element
4.3 Valence Electron Potential
4.4 Lattice Constant
346.81 pmNA
228.58
891.25
4.5 Lattice Angles
4.6 Lattice C/A Ratio
5 Mechanical
5.1 Density
5.1.1 Density At Room Temperature
12.00 g/cm37.10 g/cm3
0.534
40.7
5.3.2 Density When Liquid (at m.p.)
1.4 Tensile Strength
2.3 Viscosity
2.5 Vapor Pressure
2.5.1 Vapor Pressure at 1000 K
2.10.1 Vapor Pressure at 2000 K
3.2 Elasticity properties
3.2.1 Shear Modulus
3.4.2 Bulk Modulus
4.5.2 Young's Modulus
4.10 Poisson Ratio
5.2 Other Mechanical Properties
6 Magnetic
6.1 Magnetic Characteristics
6.1.1 Specific Gravity
7.1.6 Magnetic Ordering
Paramagnetic
Paramagnetic
7.1.7 Permeability
7.1.11 Susceptibility
7.2 Electrical Properties
7.2.1 Electrical Property
7.2.2 Resistivity
7.5.3 Electrical Conductivity
0.02 106/cm ΩNA
0.00666
0.63
8.3.3 Electron Affinity
10 Thermal
10.1 Specific Heat
12.2 Molar Heat Capacity
62.70 J/mol·KNA
16.443
62.7
12.4 Thermal Conductivity
13.6 Critical Temperature
13.9 Thermal Expansion
13.12 Enthalpy
13.12.1 Enthalpy of Vaporization
13.14.1 Enthalpy of Fusion
13.17.2 Enthalpy of Atomization
13.20 Standard Molar Entropy