1 Periodic Table
1.1 Symbol
1.3 Group Number
1.8 Period Number
4.4 Block
4.5 Element Family
Actinide
Transition Metal
4.6 CAS Number
74403597440064
7429905
54386242
4.17 Space Group Name
4.18 Space Group Number
5 Facts
5.1 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).
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
5.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Mining, Ores of metals, Ores of Minerals
5.3 History
5.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Antonio de Ulloa
5.3.2 Discovery
5.4 Abundance
5.4.1 Abundance In Universe
5.5.2 Abundance In Sun
~-9999 %~0.0000009 %
1E-08
0.1
6.6.1 Abundance In Meteorites
6.10.1 Abundance In Earth's Crust
6.14.3 Abundance In Oceans
8.3.2 Abundance In Humans
9 Uses
9.1 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.
- Platinum metal is mainly used in jewellery.
-
Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
9.1.1 Industrial Uses
NA
Aerospace Industry, Chemical Industry
9.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
9.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
9.2 Biological Properties
9.2.1 Toxicity
9.2.2 Present in Human Body
9.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
12.1.2 In Bone
13 Physical
13.1 Melting Point
994.00 °C1,772.00 °C
27
3410
13.5 Boiling Point
2,607.00 °C3,827.00 °C
147
5660
13.10 Appearance
13.10.1 Physical State
13.11.1 Color
Silvery White
Silvery White
13.11.2 Luster
13.12 Hardness
13.12.1 Mohs Hardness
14.2.1 Brinell Hardness
15.5.1 Vickers Hardness
16.5 Speed of Sound
16.12 Optical Properties
16.12.1 Refractive Index
16.12.3 Reflectivity
1.2 Allotropes
1.2.1 α Allotropes
Not Available
Not Available
1.2.2 β Allotropes
Not Available
Not Available
1.2.3 γ Allotropes
Not Available
Not Available
2 Chemical
2.1 Chemical Formula
2.2 Isotopes
2.2.1 Known Isotopes
2.8 Electronegativity
2.8.1 Pauling Electronegativity
2.10.4 Sanderson Electronegativity
2.10.12 Allred Rochow Electronegativity
3.2.6 Mulliken-Jaffe Electronegativity
4.2.1 Allen Electronegativity
6.5 Electropositivity
6.5.1 Pauling Electropositivity
6.11 Ionization Energies
6.11.1 1st Energy Level
578.00 kJ/mol870.00 kJ/mol
375.7
26130
7.1.6 2nd Energy Level
1,158.00 kJ/mol1,791.00 kJ/mol
710.2162
28750
7.3.3 3rd Energy Level
2,132.00 kJ/molNA
1600
34230
8.1.1 4th Energy Level
3,493.00 kJ/molNA
2780
37066
8.6.2 5th Energy Level
8.7.2 6th Energy Level
8.9.2 7th Energy level
8.11.1 8th Energy Level
9.1.1 9th Energy Level
9.3.3 10th Energy Level
9.4.2 11th Energy Level
9.5.5 12th Energy Level
9.7.2 13th Energy Level
10.1.3 14th Energy Level
10.1.8 15th Energy Level
10.2.4 16th Energy Level
10.3.6 17th Energy Level
10.3.10 18th Energy Level
1.2.4 19th Energy Level
2.3.3 20th Energy Level
3.1.1 21st Energy Level
3.3.3 22nd Energy Level
3.9.1 23rd Energy Level
3.14.1 24th Energy Level
3.14.4 25th Energy Level
4.4.2 26th Energy Level
4.6.1 27th Energy Level
4.8.5 28th Energy Level
4.10.2 29th Energy Level
4.10.7 30th Energy Level
5.2 Electrochemical Equivalent
3.02 g/amp-hr1.82 g/amp-hr
0.16812
8.3209
5.4 Electron Work Function
5.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Anti Corrosion, Ionization
6 Atomic
6.1 Atomic Number
7.3 Electron Configuration
[Rn] 5f7 7s2
[Xe] 4f14 5d9 6s1
7.4 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Face Centered Cubic (FCC)
7.4.1 Crystal Lattice
7.5 Atom
7.5.1 Number of Protons
7.7.4 Number of Neutrons
8.2.2 Number of Electrons
9.3 Radius of an Atom
9.3.1 Atomic Radius
173.00 pm139.00 pm
112
265
9.8.3 Covalent Radius
180.00 pm136.00 pm
96
260
9.8.7 Van der Waals Radius
244.00 pm175.00 pm
139
348
9.10 Atomic Weight
243.00 amu47.87 amu
6.94
294
9.11 Atomic Volume
17.86 cm3/mol9.09 cm3/mol
1.39
71.07
9.15 Adjacent Atomic Numbers
9.15.1 Previous Element
9.15.2 Next Element
9.16 Valence Electron Potential
44.00 (-eV)392.42 (-eV)
8
392.42
9.18 Lattice Constant
346.81 pm392.42 pm
228.58
891.25
10.4 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
10.6 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
12.00 g/cm321.45 g/cm3
0.534
40.7
12.1.2 Density When Liquid (at m.p.)
12.4 Tensile Strength
12.6 Viscosity
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
12.7.2 Vapor Pressure at 2000 K
13.4 Elasticity properties
13.4.1 Shear Modulus
13.4.5 Bulk Modulus
13.5.1 Young's Modulus
13.7 Poisson Ratio
13.11 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.1.5 Magnetic Ordering
Paramagnetic
Paramagnetic
14.1.6 Permeability
NA0.00 H/m
1.25643E-06
0.0063
14.2.3 Susceptibility
14.3 Electrical Properties
14.3.1 Electrical Property
14.3.3 Resistivity
0.69 nΩ·m105.00 nΩ·m
0.18
961
14.5.2 Electrical Conductivity
0.02 106/cm Ω0.10 106/cm Ω
0.00666
0.63
14.5.4 Electron Affinity
15 Thermal
15.1 Specific Heat
0.11 J/(kg K)0.13 J/(kg K)
0.11
3.6
15.2 Molar Heat Capacity
62.70 J/mol·K25.86 J/mol·K
16.443
62.7
16.2 Thermal Conductivity
10.00 W/m·K71.60 W/m·K
6.3
429
16.6 Critical Temperature
16.8 Thermal Expansion
17.2 Enthalpy
17.2.1 Enthalpy of Vaporization
NA510.50 kJ/mol
7.32
799.1
17.3.3 Enthalpy of Fusion
14.39 kJ/mol19.70 kJ/mol
2.1
35.23
17.3.6 Enthalpy of Atomization
268.00 kJ/mol565.00 kJ/mol
61.5
837
17.5 Standard Molar Entropy
NA41.60 J/mol.K
9.5
198.1