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Promethium
Promethium

Copernicium
Copernicium



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Promethium
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Copernicium

Promethium Copernicium Comparison

1 Periodic Table
1.1 Symbol
Pm
Cn
1.2 Group Number
NA12
Gadolinium Metal
0 17
1.3 Period Number
67
Lithium Metal
2 7
1.5 Block
f block
d block
1.6 Element Family
Lanthanide
Transition Metal
1.7 CAS Number
744012254084263
Aluminium Metal
7429905 54386242
1.9 Space Group Name
Not Available
Not Available
1.10 Space Group Number
NANA
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
Not Available
2.2 Sources
Found in Minerals, Mining
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Gesellschaft für Schwerionenforschung
2.3.2 Discovery
In 1942
In 1996
2.4 Abundance
2.4.1 Abundance In Universe
NANA
Thallium Metal
5E-09 0.11
2.4.3 Abundance In Sun
~-9999 %~-9999 %
Beryllium Metal
1E-08 0.1
2.4.5 Abundance In Meteorites
NANA
Gold Metal
1.7E-07 22
2.4.7 Abundance In Earth's Crust
NANA
Radium Metal
9.9E-12 8.1
2.4.9 Abundance In Oceans
NANA
Protactinium Metal
2E-23 1.1
2.5.1 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • It is used for research purpose. Very small amount of this metal is used in atomic batteries.
  • Its radioactive decay is used for a phosphor to give off light. The light emitted is converted into electricity.
  • Currently known uses of Copernicium metal are limited to research purpose only.
3.1.1 Industrial Uses
NA
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
NA
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Unknown
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium Metal
0 1970
3.2.6 In Bone
NANA
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
1,042.00 °CNA
Francium Metal
27 3410
4.2 Boiling Point
3,000.00 °CNA
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Unknown
Unknown
4.3.3 Luster
Metallic
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
4.5.1 Brinell Hardness
NANA
Cesium Metal
0.14 3490
5.1.2 Vickers Hardness
NANA
Palladium Metal
121 3430
5.2 Speed of Sound
NANA
Thallium Metal
818 16200
5.3 Optical Properties
5.3.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
5.3.3 Reflectivity
NANA
Molybdenum Metal
58 97
5.5 Allotropes
5.5.1 α Allotropes
Not Available
Not Available
5.5.2 β Allotropes
Not Available
Not Available
5.5.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
Pm
Cn
6.2 Isotopes
6.2.1 Known Isotopes
271
Tennessine Metal
0 38
6.3 Electronegativity
6.3.1 Pauling Electronegativity
NANA
Francium Metal
0.7 2.54
6.3.5 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
6.3.7 Allred Rochow Electronegativity
1.07NA
Cesium Metal
0.86 1.82
7.1.2 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
7.2.2 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
7.4 Electropositivity
7.4.1 Pauling Electropositivity
NANA
Gold Metal
1.46 3.3
7.6 Ionization Energies
7.6.1 1st Energy Level
540.00 kJ/mol1,154.90 kJ/mol
Cesium Metal
375.7 26130
7.6.3 2nd Energy Level
1,050.00 kJ/mol2,170.00 kJ/mol
Ruthenium Metal
710.2162 28750
7.8.1 3rd Energy Level
2,150.00 kJ/mol4,245.40 kJ/mol
Osmium Metal
1600 34230
7.9.2 4th Energy Level
3,970.00 kJ/mol5,499.70 kJ/mol
Thorium Metal
2780 37066
7.10.1 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
8.1.1 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
8.4.2 7th Energy level
NANA
Bohrium Metal
7226.8 114300
8.4.3 8th Energy Level
NANA
Hassium Metal
8857.4 125300
8.5.2 9th Energy Level
NANA
Yttrium Metal
14110 134700
8.5.3 10th Energy Level
NANA
Strontium Metal
17100 144300
8.5.5 11th Energy Level
NANA
Yttrium Metal
19900 169988
8.6.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
8.6.4 13th Energy Level
NANA
Molybdenum Metal
26930 76015
8.6.6 14th Energy Level
NANA
Molybdenum Metal
29196 86450
8.7.1 15th Energy Level
NANA
Manganese Metal
41987 97510
8.8.1 16th Energy Level
NANA
Iron Metal
47206 109480
8.8.2 17th Energy Level
NANA
Cobalt Metal
52737 122200
8.10.1 18th Energy Level
NANA
Nickel Metal
58570 134810
8.11.1 19th Energy Level
NANA
Copper Metal
64702 148700
8.11.2 20th Energy Level
NANA
Molybdenum Metal
80400 171200
8.13.1 21st Energy Level
NANA
Molybdenum Metal
87000 179100
9.1.2 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
9.1.3 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
9.1.5 24th Energy Level
NANA
Molybdenum Metal
104400 195200
9.1.6 25th Energy Level
NANA
Molybdenum Metal
121900 121900
9.2.1 26th Energy Level
NANA
Molybdenum Metal
127700 127700
9.3.1 27th Energy Level
NANA
Molybdenum Metal
133800 133800
9.4.2 28th Energy Level
NANA
Molybdenum Metal
139800 139800
9.4.3 29th Energy Level
NANA
Molybdenum Metal
148100 148100
9.4.5 30th Energy Level
NANA
Molybdenum Metal
154500 154500
9.6 Electrochemical Equivalent
1.80 g/amp-hrNA
Beryllium Metal
0.16812 8.3209
9.7 Electron Work Function
NANA
Cesium Metal
2.14 5.65
9.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
61112
Lithium Metal
3 117
10.2 Electron Configuration
[Xe] 4f5 6s2
[Rn] 5f14 6d10 7s2
10.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
61112
Lithium Metal
3 117
10.5.1 Number of Neutrons
84NA
Lithium Metal
4 184
11.1.2 Number of Electrons
61112
Lithium Metal
3 117
11.2 Radius of an Atom
11.2.1 Atomic Radius
183.00 pm147.00 pm
Beryllium Metal
112 265
11.2.3 Covalent Radius
199.00 pm122.00 pm
Beryllium Metal
96 260
11.3.3 Van der Waals Radius
236.00 pmNA
Zinc Metal
139 348
11.4 Atomic Weight
145.00 amu285.00 amu
Lithium Metal
6.94 294
11.5 Atomic Volume
22.39 cm3/molNA
Manganese Metal
1.39 71.07
11.6 Adjacent Atomic Numbers
11.6.1 Previous Element
11.6.2 Next Element
11.7 Valence Electron Potential
44.10 (-eV)NA
Francium Metal
8 392.42
12.2 Lattice Constant
NANA
Beryllium Metal
228.58 891.25
12.4 Lattice Angles
Unknown
NA
12.5 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
7.26 g/cm323.70 g/cm3
Lithium Metal
0.534 40.7
13.2.1 Density When Liquid (at m.p.)
NANA
Lithium Metal
0.512 20
13.4 Tensile Strength
NANA
Indium Metal
2.5 11000
13.5 Viscosity
NANA
Mercury Metal
0.001526 0.001526
13.7 Vapor Pressure
13.7.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
13.7.2 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
13.8 Elasticity properties
13.8.1 Shear Modulus
18.00 GPaNA
Potassium Metal
1.3 222
13.8.3 Bulk Modulus
33.00 GPaNA
Cesium Metal
1.6 462
13.9.1 Young's Modulus
46.00 GPaNA
Cesium Metal
1.7 528
13.10 Poisson Ratio
0.28NA
Beryllium Metal
0.032 0.47
13.11 Other Mechanical Properties
NA
Unknown
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
7.26NA
Lithium Metal
0.53 4500
14.1.2 Magnetic Ordering
Paramagnetic
Unknown
14.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
14.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
14.2 Electrical Properties
14.2.1 Electrical Property
Conductor
Unknown
14.2.2 Resistivity
0.75 nΩ·mNA
Thallium Metal
0.18 961
14.2.3 Electrical Conductivity
NANA
Plutonium Metal
0.00666 0.63
14.2.4 Electron Affinity
50.00 kJ/molNA
Mercury Metal
0 222.8
15 Thermal
15.1 Specific Heat
0.18 J/(kg K)NA
Americium Metal
0.11 3.6
15.2 Molar Heat Capacity
NANA
Beryllium Metal
16.443 62.7
15.3 Thermal Conductivity
17.90 W/m·KNA
Neptunium Metal
6.3 429
15.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
15.5 Thermal Expansion
9.00 µm/(m·K)NA
Tungsten Metal
4.5 97
15.6 Enthalpy
15.6.1 Enthalpy of Vaporization
NANA
Zinc Metal
7.32 799.1
15.6.2 Enthalpy of Fusion
7.50 kJ/molNA
Cesium Metal
2.1 35.23
15.6.3 Enthalpy of Atomization
310.00 kJ/molNA
Mercury Metal
61.5 837
15.7 Standard Molar Entropy
NANA
Beryllium Metal
9.5 198.1