1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Actinide
Transition Metal
1.6 CAS Number
744035954037579
7429905
54386242
1.7 Space Group Name
1.8 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).
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
2.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Gesellschaft für Schwerionenforschung
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.5.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.2.1 Abundance In Meteorites
1.6.1 Abundance In Earth's Crust
1.11.1 Abundance In Oceans
1.11.2 Abundance In Humans
3 Uses
3.1 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 Hassium metal are limited to research purpose only.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.4.2 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
2 Physical
2.1 Melting Point
2.3 Boiling Point
2.5 Appearance
2.5.1 Physical State
2.5.2 Color
2.5.3 Luster
2.7 Hardness
2.7.1 Mohs Hardness
2.8.2 Brinell Hardness
2.10.2 Vickers Hardness
3.3 Speed of Sound
4.5 Optical Properties
4.5.1 Refractive Index
5.2.4 Reflectivity
6.2 Allotropes
6.2.1 α Allotropes
Not Available
Not Available
6.2.2 β Allotropes
Not Available
Not Available
6.2.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.5.3 Sanderson Electronegativity
8.1.2 Allred Rochow Electronegativity
8.1.4 Mulliken-Jaffe Electronegativity
8.1.6 Allen Electronegativity
8.4 Electropositivity
8.4.1 Pauling Electropositivity
8.6 Ionization Energies
8.6.1 1st Energy Level
578.00 kJ/mol733.30 kJ/mol
375.7
26130
9.2.2 2nd Energy Level
1,158.00 kJ/mol1,756.00 kJ/mol
710.2162
28750
9.4.2 3rd Energy Level
2,132.00 kJ/mol2,827.00 kJ/mol
1600
34230
10.2.5 4th Energy Level
3,493.00 kJ/mol3,637.50 kJ/mol
2780
37066
10.2.7 5th Energy Level
NA4,940.00 kJ/mol
4305.2
97510
10.2.11 6th Energy Level
NA6,175.10 kJ/mol
5715.8
105800
11.1.1 7th Energy level
NA7,535.50 kJ/mol
7226.8
114300
11.1.3 8th Energy Level
NA8,857.40 kJ/mol
8857.4
125300
11.1.4 9th Energy Level
11.2.2 10th Energy Level
11.4.2 11th Energy Level
11.5.1 12th Energy Level
11.5.3 13th Energy Level
11.7.2 14th Energy Level
11.7.4 15th Energy Level
11.8.3 16th Energy Level
11.8.7 17th Energy Level
11.8.9 18th Energy Level
12.2.3 19th Energy Level
12.2.6 20th Energy Level
12.2.8 21st Energy Level
12.2.9 22nd Energy Level
12.3.2 23rd Energy Level
12.3.4 24th Energy Level
12.4.1 25th Energy Level
12.4.3 26th Energy Level
12.4.4 27th Energy Level
12.4.7 28th Energy Level
12.4.8 29th Energy Level
12.5.3 30th Energy Level
12.6 Electrochemical Equivalent
3.02 g/amp-hrNA
0.16812
8.3209
12.7 Electron Work Function
13.3 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
14 Atomic
14.1 Atomic Number
14.2 Electron Configuration
[Rn] 5f7 7s2
[Rn] 5f14 6d6 7s2
14.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
14.3.1 Crystal Lattice
14.4 Atom
14.4.1 Number of Protons
14.5.5 Number of Neutrons
14.5.8 Number of Electrons
14.6 Radius of an Atom
14.6.1 Atomic Radius
173.00 pm126.00 pm
112
265
14.7.3 Covalent Radius
180.00 pm134.00 pm
96
260
14.7.7 Van der Waals Radius
14.10 Atomic Weight
243.00 amu269.00 amu
6.94
294
14.12 Atomic Volume
17.86 cm3/molNA
1.39
71.07
15.2 Adjacent Atomic Numbers
15.2.1 Previous Element
15.2.2 Next Element
15.3 Valence Electron Potential
15.7 Lattice Constant
346.81 pmNA
228.58
891.25
15.8 Lattice Angles
15.9 Lattice C/A Ratio
16 Mechanical
16.1 Density
16.1.1 Density At Room Temperature
12.00 g/cm340.70 g/cm3
0.534
40.7
16.2.2 Density When Liquid (at m.p.)
16.4 Tensile Strength
16.5 Viscosity
16.7 Vapor Pressure
16.7.1 Vapor Pressure at 1000 K
16.7.5 Vapor Pressure at 2000 K
16.8 Elasticity properties
16.8.1 Shear Modulus
16.9.3 Bulk Modulus
16.10.3 Young's Modulus
16.13 Poisson Ratio
16.15 Other Mechanical Properties
17 Magnetic
17.1 Magnetic Characteristics
17.1.1 Specific Gravity
17.3.1 Magnetic Ordering
17.3.2 Permeability
18.1.2 Susceptibility
18.2 Electrical Properties
18.2.1 Electrical Property
18.2.2 Resistivity
18.2.6 Electrical Conductivity
0.02 106/cm ΩNA
0.00666
0.63
18.4.2 Electron Affinity
19 Thermal
19.1 Specific Heat
19.3 Molar Heat Capacity
62.70 J/mol·KNA
16.443
62.7
19.4 Thermal Conductivity
19.5 Critical Temperature
19.6 Thermal Expansion
19.8 Enthalpy
19.8.1 Enthalpy of Vaporization
20.1.2 Enthalpy of Fusion
20.1.10 Enthalpy of Atomization
20.3 Standard Molar Entropy