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Curium
Curium

Uranium
Uranium



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Uranium

Curium Uranium Comparison

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1 Periodic Table
1.1 Symbol
Cm
U
1.2 Group Number
NA0
Gadolinium Metal
0 17
1.3 Period Number
77
Lithium Metal
2 7
1.5 Block
f block
f block
1.6 Element Family
Actinide
Actinide
1.7 CAS Number
74405197440611
Aluminium Metal
7429905 54386242
1.8 Space Group Name
Not Available
Cmcm
1.9 Space Group Number
NA63.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
2.2 Sources
Bombarding Plutonium with Helium Ions
Earth's crust, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Not Available
2.3.2 Discovery
In 1944
In 1789
2.4 Abundance
2.4.1 Abundance In Universe
NA2 * 10-8 %
Thallium Metal
5E-09 0.11
2.5.1 Abundance In Sun
~-9999 %~0.0000001 %
Beryllium Metal
1E-08 0.1
3.1.2 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
3.1.6 Abundance In Earth's Crust
NA0.00 %
Radium Metal
9.9E-12 8.1
3.2.3 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
3.2.6 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
4.1.1 Industrial Uses
NA
Ammunition Industry, Chemical Industry
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Research Purposes
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues
4.2 Biological Properties
4.2.1 Toxicity
Unknown
Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium Metal
0 1970
5.1.1 In Bone
0.00 p.p.m.NA
Plutonium Metal
0 170000
6 Physical
6.1 Melting Point
1,340.00 °C1,132.00 °C
Francium Metal
27 3410
6.3 Boiling Point
3,110.00 °C3,818.00 °C
Flerovium Metal
147 5660
6.5 Appearance
6.5.1 Physical State
Solid
Solid
6.5.2 Color
Silver
Silvery Gray
6.5.3 Luster
Metallic
Metallic
6.6 Hardness
6.6.1 Mohs Hardness
NA6.00
Cesium Metal
0.2 8.5
6.7.1 Brinell Hardness
NA2,350.00 MPa
Cesium Metal
0.14 3490
6.8.2 Vickers Hardness
NA1,960.00 MPa
Palladium Metal
121 3430
6.9 Speed of Sound
NA3,155.00 m/s
Thallium Metal
818 16200
6.10 Optical Properties
6.10.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
6.10.3 Reflectivity
NANA
Molybdenum Metal
58 97
6.11 Allotropes
6.11.1 α Allotropes
Not Available
Not Available
6.11.2 β Allotropes
Not Available
Not Available
6.11.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
Cm
U
7.2 Isotopes
7.2.1 Known Isotopes
1525
Tennessine Metal
0 38
7.4 Electronegativity
7.4.1 Pauling Electronegativity
1.301.38
Francium Metal
0.7 2.54
7.4.2 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
7.4.3 Allred Rochow Electronegativity
1.201.22
Cesium Metal
0.86 1.82
7.4.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
7.4.5 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
7.5 Electropositivity
7.5.1 Pauling Electropositivity
2.702.62
Gold Metal
1.46 3.3
7.6 Ionization Energies
7.6.1 1st Energy Level
581.00 kJ/mol597.60 kJ/mol
Cesium Metal
375.7 26130
7.6.2 2nd Energy Level
1,196.00 kJ/mol1,420.00 kJ/mol
Ruthenium Metal
710.2162 28750
7.6.3 3rd Energy Level
2,026.00 kJ/mol1,900.00 kJ/mol
Osmium Metal
1600 34230
7.6.4 4th Energy Level
3,550.00 kJ/mol3,145.00 kJ/mol
Thorium Metal
2780 37066
7.6.5 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
7.6.6 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
7.6.7 7th Energy level
NANA
Bohrium Metal
7226.8 114300
7.6.8 8th Energy Level
NANA
Hassium Metal
8857.4 125300
7.6.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
7.6.10 10th Energy Level
NANA
Strontium Metal
17100 144300
7.6.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
7.6.12 12th Energy Level
NANA
Molybdenum Metal
22219 189368
7.6.13 13th Energy Level
NANA
Molybdenum Metal
26930 76015
7.6.14 14th Energy Level
NANA
Molybdenum Metal
29196 86450
7.6.15 15th Energy Level
NANA
Manganese Metal
41987 97510
7.6.16 16th Energy Level
NANA
Iron Metal
47206 109480
7.6.17 17th Energy Level
NANA
Cobalt Metal
52737 122200
7.6.18 18th Energy Level
NANA
Nickel Metal
58570 134810
7.6.19 19th Energy Level
NANA
Copper Metal
64702 148700
7.6.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
7.6.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
7.6.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
7.6.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
7.6.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
7.6.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
7.6.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
7.6.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
7.6.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
7.6.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
7.6.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
7.7 Electrochemical Equivalent
3.07 g/amp-hr1.48 g/amp-hr
Beryllium Metal
0.16812 8.3209
7.8 Electron Work Function
NA3.63 eV
Cesium Metal
2.14 5.65
7.9 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
8 Atomic
8.1 Atomic Number
9692
Lithium Metal
3 117
8.2 Electron Configuration
[Rn] 5f7 6d1 7s2
[Rn] 5f3 6d1 7s2
8.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Orthorhombic (ORTH)
8.3.1 Crystal Lattice
8.4 Atom
8.4.1 Number of Protons
9692
Lithium Metal
3 117
8.4.2 Number of Neutrons
151146
Lithium Metal
4 184
8.4.3 Number of Electrons
9692
Lithium Metal
3 117
8.5 Radius of an Atom
8.5.1 Atomic Radius
174.00 pm156.00 pm
Beryllium Metal
112 265
8.5.2 Covalent Radius
169.00 pm196.00 pm
Beryllium Metal
96 260
8.5.3 Van der Waals Radius
200.00 pm186.00 pm
Zinc Metal
139 348
8.6 Atomic Weight
247.00 amu238.03 amu
Lithium Metal
6.94 294
8.7 Atomic Volume
18.28 cm3/mol12.59 cm3/mol
Manganese Metal
1.39 71.07
8.8 Adjacent Atomic Numbers
8.8.1 Previous Element
8.8.2 Next Element
8.9 Valence Electron Potential
44.50 (-eV)170.00 (-eV)
Francium Metal
8 392.42
8.10 Lattice Constant
NA295.08 pm
Beryllium Metal
228.58 891.25
8.11 Lattice Angles
NA
π/2, π/2, π/2
8.12 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
9 Mechanical
9.1 Density
9.1.1 Density At Room Temperature
13.51 g/cm319.10 g/cm3
Lithium Metal
0.534 40.7
9.1.2 Density When Liquid (at m.p.)
13.85 g/cm317.30 g/cm3
Lithium Metal
0.512 20
9.2 Tensile Strength
NANA
Indium Metal
2.5 11000
9.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
9.4 Vapor Pressure
9.4.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
9.4.2 Vapor Pressure at 2000 K
NA0.01 (Pa)
Tungsten Metal
2.62E-10 774
9.5 Elasticity properties
9.5.1 Shear Modulus
NA111.00 GPa
Potassium Metal
1.3 222
9.5.2 Bulk Modulus
NA100.00 GPa
Cesium Metal
1.6 462
9.5.3 Young's Modulus
NA208.00 GPa
Cesium Metal
1.7 528
9.6 Poisson Ratio
NA0.23
Beryllium Metal
0.032 0.47
9.7 Other Mechanical Properties
Unknown
Ductile, Malleable
10 Magnetic
10.1 Magnetic Characteristics
10.1.1 Specific Gravity
13.5118.80
Lithium Metal
0.53 4500
10.1.2 Magnetic Ordering
Antiferromagnetic
Paramagnetic
10.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
10.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
10.2 Electrical Properties
10.2.1 Electrical Property
Unknown
Poor Conductor
10.2.2 Resistivity
1.25 nΩ·m0.28 nΩ·m
Thallium Metal
0.18 961
10.2.3 Electrical Conductivity
NA0.04 106/cm Ω
Plutonium Metal
0.00666 0.63
10.2.4 Electron Affinity
NANA
Mercury Metal
0 222.8
11 Thermal
11.1 Specific Heat
NA0.12 J/(kg K)
Americium Metal
0.11 3.6
11.2 Molar Heat Capacity
NA27.67 J/mol·K
Beryllium Metal
16.443 62.7
11.3 Thermal Conductivity
NA27.50 W/m·K
Neptunium Metal
6.3 429
11.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
11.5 Thermal Expansion
NA13.90 µm/(m·K)
Tungsten Metal
4.5 97
11.6 Enthalpy
11.6.1 Enthalpy of Vaporization
NA477.00 kJ/mol
Zinc Metal
7.32 799.1
11.6.2 Enthalpy of Fusion
15.00 kJ/mol15.48 kJ/mol
Cesium Metal
2.1 35.23
11.6.3 Enthalpy of Atomization
NA489.50 kJ/mol
Mercury Metal
61.5 837
11.7 Standard Molar Entropy
NA50.20 J/mol.K
Beryllium Metal
9.5 198.1