1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
Lanthanide
Probably Post-Transition
1.5 CAS Number
744019954085642
7429905
54386242
1.6 Space Group Name
1.7 Space Group Number
2 Facts
2.1 Interesting Facts
- Samarium metals helps stimulating body metabolism.
- Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Lecoq de Boisbaudran
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.7.1 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
2.9.1 Abundance In Meteorites
2.9.2 Abundance In Earth's Crust
3.4.2 Abundance In Oceans
3.4.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Magnets of Samarium cobalt alloy are stronger than that of Iron and hence, they are used in microwave application.
- Samarium metal also used in optical lasers and infrared absorbing glasses and as a neutron absorber.
- Currently known uses of Ununpentium metal are limited to research purpose only.
4.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, In Nuclear Reactors
Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.4 In Blood
0.01 Blood/mg dm-3NA
0
1970
4.2.5 In Bone
5 Physical
5.1 Melting Point
1,072.00 °C400.00 °C
27
3410
5.2 Boiling Point
1,900.00 °C1,100.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
6.2.4 Brinell Hardness
6.2.6 Vickers Hardness
7.2 Speed of Sound
7.3 Optical Properties
7.3.1 Refractive Index
7.4.1 Reflectivity
7.5 Allotropes
7.5.1 α Allotropes
Not Available
Not Available
7.5.2 β Allotropes
Not Available
Not Available
7.5.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.5 Electronegativity
8.5.1 Pauling Electronegativity
8.5.3 Sanderson Electronegativity
8.5.5 Allred Rochow Electronegativity
8.5.6 Mulliken-Jaffe Electronegativity
8.6.1 Allen Electronegativity
8.8 Electropositivity
8.8.1 Pauling Electropositivity
8.9 Ionization Energies
8.9.1 1st Energy Level
544.50 kJ/mol538.40 kJ/mol
375.7
26130
9.2.2 2nd Energy Level
1,070.00 kJ/mol1,756.00 kJ/mol
710.2162
28750
9.2.3 3rd Energy Level
2,260.00 kJ/mol2,653.30 kJ/mol
1600
34230
9.3.2 4th Energy Level
3,990.00 kJ/mol4,679.50 kJ/mol
2780
37066
9.3.4 5th Energy Level
NA5,721.60 kJ/mol
4305.2
97510
9.3.6 6th Energy Level
9.3.7 7th Energy level
9.3.9 8th Energy Level
9.3.11 9th Energy Level
9.3.12 10th Energy Level
9.4.2 11th Energy Level
9.5.2 12th Energy Level
9.5.4 13th Energy Level
9.5.6 14th Energy Level
9.5.8 15th Energy Level
9.5.9 16th Energy Level
9.5.11 17th Energy Level
9.5.13 18th Energy Level
9.5.15 19th Energy Level
9.5.16 20th Energy Level
9.5.18 21st Energy Level
9.5.20 22nd Energy Level
9.5.21 23rd Energy Level
9.5.23 24th Energy Level
9.5.24 25th Energy Level
9.5.26 26th Energy Level
9.5.27 27th Energy Level
9.5.29 28th Energy Level
9.5.31 29th Energy Level
9.5.32 30th Energy Level
9.6 Electrochemical Equivalent
1.87 g/amp-hrNA
0.16812
8.3209
9.7 Electron Work Function
9.8 Other Chemical Properties
Ionization, Radioactive Isotopes
Chemical Stability, Ionization
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Xe] 4f6 6s2
[Rn] 5f14 6d10 7s2 7p3
10.3 Crystal Structure
Rhombohedral (RHO)
Not Known
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.5 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.5.3 Covalent Radius
10.5.5 Van der Waals Radius
10.6 Atomic Weight
150.36 amu289.00 amu
6.94
294
10.7 Atomic Volume
19.95 cm3/molNA
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
10.10 Lattice Constant
362.10 pmNA
228.58
891.25
10.11 Lattice Angles
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
7.52 g/cm34.51 g/cm3
0.534
40.7
11.1.2 Density When Liquid (at m.p.)
11.3 Tensile Strength
12.2 Viscosity
12.3 Vapor Pressure
12.3.1 Vapor Pressure at 1000 K
12.6.2 Vapor Pressure at 2000 K
12.7 Elasticity properties
12.7.1 Shear Modulus
12.7.2 Bulk Modulus
12.7.4 Young's Modulus
12.9 Poisson Ratio
12.10 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.3 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.4 Permeability
13.2.1 Susceptibility
13.3 Electrical Properties
13.3.1 Electrical Property
13.3.2 Resistivity
13.4.1 Electrical Conductivity
0.01 106/cm ΩNA
0.00666
0.63
13.6.1 Electron Affinity
14 Thermal
14.1 Specific Heat
14.4 Molar Heat Capacity
29.54 J/mol·KNA
16.443
62.7
15.2 Thermal Conductivity
15.3 Critical Temperature
15.4 Thermal Expansion
15.7 Enthalpy
15.7.1 Enthalpy of Vaporization
166.40 kJ/molNA
7.32
799.1
15.8.2 Enthalpy of Fusion
15.8.4 Enthalpy of Atomization
15.10 Standard Molar Entropy
69.60 J/mol.KNA
9.5
198.1