1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
1.7 CAS Number
744035922537195
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 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).
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
2.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
3.1.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.2.4 Abundance In Meteorites
3.4.2 Abundance In Earth's Crust
3.7.2 Abundance In Oceans
4.1.1 Abundance In Humans
5 Uses
5.1 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 Lawrencium metal are limited to research purpose only.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
NA
5.2 Biological Properties
5.2.1 Toxicity
5.2.3 Present in Human Body
5.2.4 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
6.1.2 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
7 Physical
7.1 Melting Point
994.00 °C1,627.00 °C
27
3410
7.3 Boiling Point
7.7 Appearance
7.7.1 Physical State
7.7.2 Color
7.7.3 Luster
7.8 Hardness
7.8.1 Mohs Hardness
7.10.3 Brinell Hardness
7.11.1 Vickers Hardness
7.13 Speed of Sound
7.16 Optical Properties
7.16.1 Refractive Index
7.20.1 Reflectivity
7.22 Allotropes
7.22.1 α Allotropes
Not Available
Not Available
7.22.2 β Allotropes
Not Available
Not Available
7.22.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.8 Electronegativity
8.8.1 Pauling Electronegativity
11.1.2 Sanderson Electronegativity
11.4.3 Allred Rochow Electronegativity
11.5.2 Mulliken-Jaffe Electronegativity
11.7.1 Allen Electronegativity
11.11 Electropositivity
11.11.1 Pauling Electropositivity
11.14 Ionization Energies
11.14.1 1st Energy Level
578.00 kJ/mol470.00 kJ/mol
375.7
26130
11.15.2 2nd Energy Level
1,158.00 kJ/mol1,428.00 kJ/mol
710.2162
28750
11.15.6 3rd Energy Level
2,132.00 kJ/mol2,228.00 kJ/mol
1600
34230
11.16.3 4th Energy Level
3,493.00 kJ/mol4,910.00 kJ/mol
2780
37066
11.18.1 5th Energy Level
11.21.1 6th Energy Level
13.1.2 7th Energy level
13.3.1 8th Energy Level
14.1.3 9th Energy Level
14.3.4 10th Energy Level
14.3.7 11th Energy Level
14.5.1 12th Energy Level
15.2.2 13th Energy Level
16.2.2 14th Energy Level
16.5.1 15th Energy Level
16.6.2 16th Energy Level
16.8.1 17th Energy Level
16.11.1 18th Energy Level
1.4.2 19th Energy Level
2.1.2 20th Energy Level
2.1.6 21st Energy Level
2.4.1 22nd Energy Level
2.5.3 23rd Energy Level
2.8.3 24th Energy Level
2.9.1 25th Energy Level
3.4.3 26th Energy Level
3.4.5 27th Energy Level
3.4.7 28th Energy Level
4.1.1 29th Energy Level
1.3.1 30th Energy Level
1.5 Electrochemical Equivalent
3.02 g/amp-hr3.23 g/amp-hr
0.16812
8.3209
2.4 Electron Work Function
3.3 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
4 Atomic
4.1 Atomic Number
5.2 Electron Configuration
[Rn] 5f7 7s2
[Rn] 5f14 7s2 7p1
5.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
5.5.2 Crystal Lattice
5.6 Atom
5.6.1 Number of Protons
6.1.4 Number of Neutrons
6.5.2 Number of Electrons
6.7 Radius of an Atom
6.7.1 Atomic Radius
6.7.4 Covalent Radius
6.7.7 Van der Waals Radius
244.00 pm246.00 pm
139
348
8.3 Atomic Weight
243.00 amu266.00 amu
6.94
294
8.6 Atomic Volume
17.86 cm3/molNA
1.39
71.07
10.3 Adjacent Atomic Numbers
10.3.1 Previous Element
10.3.2 Next Element
10.4 Valence Electron Potential
10.7 Lattice Constant
346.81 pmNA
228.58
891.25
10.11 Lattice Angles
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.2.2 Density When Liquid (at m.p.)
11.5 Tensile Strength
11.7 Viscosity
11.10 Vapor Pressure
11.10.1 Vapor Pressure at 1000 K
12.2.3 Vapor Pressure at 2000 K
12.4 Elasticity properties
12.4.1 Shear Modulus
12.4.5 Bulk Modulus
12.5.3 Young's Modulus
12.6 Poisson Ratio
12.7 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.2.2 Magnetic Ordering
13.2.3 Permeability
1.3.2 Susceptibility
1.5 Electrical Properties
1.5.1 Electrical Property
1.5.2 Resistivity
1.8.1 Electrical Conductivity
0.02 106/cm ΩNA
0.00666
0.63
1.10.1 Electron Affinity
3 Thermal
3.1 Specific Heat
3.2 Molar Heat Capacity
62.70 J/mol·KNA
16.443
62.7
3.3 Thermal Conductivity
3.4 Critical Temperature
3.5 Thermal Expansion
3.6 Enthalpy
3.6.1 Enthalpy of Vaporization
4.2.5 Enthalpy of Fusion
10.1.1 Enthalpy of Atomization
10.6 Standard Molar Entropy