1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
2.5 Block
2.6 Element Family
2.7 CAS Number
74405197440111
7429905
54386242
3.3 Space Group Name
Not Available
Not Available
3.4 Space Group Number
4 Facts
4.1 Interesting Facts
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
4.2 Sources
Bombarding Plutonium with Helium Ions
Bombarding Einsteinium with Helium Ions
4.3 History
4.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Lawrence Berkeley National Laboratory
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
5.1.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
5.2.1 Abundance In Meteorites
5.2.3 Abundance In Earth's Crust
6.2.4 Abundance In Oceans
6.2.7 Abundance In Humans
8 Uses
8.1 Uses & Benefits
- Curium metal is used to provide power to electrical equipment for space missions.
- Currently known uses of Mendelevium metal are limited to research purpose only.
8.1.1 Industrial Uses
8.1.2 Medical Uses
8.1.3 Other Uses
8.2 Biological Properties
8.2.1 Toxicity
8.2.3 Present in Human Body
8.2.4 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
8.4.0 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
9 Physical
9.1 Melting Point
1,340.00 °C827.00 °C
27
3410
9.5 Boiling Point
10.3 Appearance
10.3.1 Physical State
10.3.2 Color
10.3.3 Luster
10.4 Hardness
10.4.1 Mohs Hardness
10.5.2 Brinell Hardness
10.6.2 Vickers Hardness
10.8 Speed of Sound
11.3 Optical Properties
11.3.1 Refractive Index
11.3.2 Reflectivity
11.5 Allotropes
11.5.1 α Allotropes
Not Available
Not Available
11.5.2 β Allotropes
Not Available
Not Available
11.5.3 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
12.2 Isotopes
12.2.1 Known Isotopes
12.4 Electronegativity
12.4.1 Pauling Electronegativity
12.5.3 Sanderson Electronegativity
12.5.6 Allred Rochow Electronegativity
12.6.2 Mulliken-Jaffe Electronegativity
12.7.2 Allen Electronegativity
12.8 Electropositivity
12.8.1 Pauling Electropositivity
12.9 Ionization Energies
12.9.1 1st Energy Level
581.00 kJ/mol635.00 kJ/mol
375.7
26130
12.9.4 2nd Energy Level
1,196.00 kJ/mol1,235.00 kJ/mol
710.2162
28750
12.9.7 3rd Energy Level
2,026.00 kJ/mol2,470.00 kJ/mol
1600
34230
12.9.10 4th Energy Level
3,550.00 kJ/mol3,840.00 kJ/mol
2780
37066
12.9.14 5th Energy Level
12.9.17 6th Energy Level
12.9.18 7th Energy level
12.9.21 8th Energy Level
12.9.24 9th Energy Level
12.9.27 10th Energy Level
12.9.30 11th Energy Level
12.9.33 12th Energy Level
12.9.37 13th Energy Level
12.9.40 14th Energy Level
12.9.44 15th Energy Level
12.9.47 16th Energy Level
12.9.51 17th Energy Level
12.9.54 18th Energy Level
12.9.58 19th Energy Level
12.9.61 20th Energy Level
12.9.64 21st Energy Level
12.9.67 22nd Energy Level
12.9.70 23rd Energy Level
12.10.2 24th Energy Level
12.10.4 25th Energy Level
12.12.1 26th Energy Level
12.12.2 27th Energy Level
13.1.1 28th Energy Level
13.1.2 29th Energy Level
14.4.2 30th Energy Level
14.5 Electrochemical Equivalent
3.07 g/amp-hr3.21 g/amp-hr
0.16812
8.3209
14.9 Electron Work Function
14.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
15 Atomic
15.1 Atomic Number
15.3 Electron Configuration
[Rn] 5f7 6d1 7s2
[Rn] 5f13 7s2
15.4 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Not Known
15.4.1 Crystal Lattice
15.5 Atom
15.5.1 Number of Protons
15.6.4 Number of Neutrons
15.7.1 Number of Electrons
15.10 Radius of an Atom
15.10.1 Atomic Radius
15.11.1 Covalent Radius
15.15.1 Van der Waals Radius
200.00 pm246.00 pm
139
348
15.18 Atomic Weight
247.00 amu258.00 amu
6.94
294
15.23 Atomic Volume
18.28 cm3/molNA
1.39
71.07
17.2 Adjacent Atomic Numbers
17.2.1 Previous Element
17.2.2 Next Element
17.3 Valence Electron Potential
17.4 Lattice Constant
17.7 Lattice Angles
17.8 Lattice C/A Ratio
18 Mechanical
18.1 Density
18.1.1 Density At Room Temperature
18.4.2 Density When Liquid (at m.p.)
18.5 Tensile Strength
18.8 Viscosity
18.9 Vapor Pressure
18.9.1 Vapor Pressure at 1000 K
18.9.3 Vapor Pressure at 2000 K
18.10 Elasticity properties
18.10.1 Shear Modulus
18.12.1 Bulk Modulus
20.1.4 Young's Modulus
20.2 Poisson Ratio
20.4 Other Mechanical Properties
21 Magnetic
21.1 Magnetic Characteristics
21.1.1 Specific Gravity
21.2.4 Magnetic Ordering
Antiferromagnetic
Unknown
21.2.5 Permeability
21.2.8 Susceptibility
21.3 Electrical Properties
21.3.1 Electrical Property
21.3.2 Resistivity
22.1.1 Electrical Conductivity
23.2.1 Electron Affinity
24 Thermal
24.1 Specific Heat
24.3 Molar Heat Capacity
24.6 Thermal Conductivity
24.8 Critical Temperature
24.11 Thermal Expansion
24.13 Enthalpy
24.13.1 Enthalpy of Vaporization
24.13.4 Enthalpy of Fusion
24.15.1 Enthalpy of Atomization
24.16 Standard Molar Entropy