1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.8 Block
1.9 Element Family
Transition Metal
Lanthanide
1.10 CAS Number
540371487440199
7429905
54386242
1.13 Space Group Name
1.14 Space Group Number
3 Facts
3.1 Interesting Facts
- Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
- Samarium metals helps stimulating body metabolism.
- Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
3.2 Sources
Found in Minerals, Mining, Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Lecoq de Boisbaudran
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.4 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
3.4.7 Abundance In Meteorites
4.2.5 Abundance In Earth's Crust
5.2.1 Abundance In Oceans
5.4.2 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Currently known uses of Bohrium metal are limited to research purpose only.
- 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.
6.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
6.1.2 Medical Uses
6.1.3 Other Uses
Research Purposes
Alloys, In Nuclear Reactors
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-30.01 Blood/mg dm-3
0
1970
6.3.1 In Bone
7 Physical
7.1 Melting Point
8.3 Boiling Point
8.5 Appearance
8.5.1 Physical State
8.5.2 Color
8.5.3 Luster
8.6 Hardness
8.6.1 Mohs Hardness
8.6.3 Brinell Hardness
8.6.6 Vickers Hardness
8.7 Speed of Sound
8.9 Optical Properties
8.9.1 Refractive Index
8.9.2 Reflectivity
8.11 Allotropes
8.11.1 α Allotropes
Not Available
Not Available
8.11.2 β Allotropes
Not Available
Not Available
8.11.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.6 Allred Rochow Electronegativity
9.3.8 Mulliken-Jaffe Electronegativity
9.3.10 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
742.90 kJ/mol544.50 kJ/mol
375.7
26130
9.5.2 2nd Energy Level
1,688.50 kJ/mol1,070.00 kJ/mol
710.2162
28750
9.5.4 3rd Energy Level
2,566.50 kJ/mol2,260.00 kJ/mol
1600
34230
9.5.6 4th Energy Level
3,598.90 kJ/mol3,990.00 kJ/mol
2780
37066
9.5.8 5th Energy Level
4,727.80 kJ/molNA
4305.2
97510
9.5.10 6th Energy Level
5,991.70 kJ/molNA
5715.8
105800
9.5.12 7th Energy level
7,226.80 kJ/molNA
7226.8
114300
9.5.14 8th Energy Level
9.5.16 9th Energy Level
9.5.19 10th Energy Level
9.5.22 11th Energy Level
9.5.25 12th Energy Level
9.5.27 13th Energy Level
9.5.30 14th Energy Level
9.5.32 15th Energy Level
9.5.35 16th Energy Level
9.6.1 17th Energy Level
9.7.1 18th Energy Level
10.1.1 19th Energy Level
10.3.1 20th Energy Level
10.4.2 21st Energy Level
10.4.3 22nd Energy Level
10.4.5 23rd Energy Level
10.4.7 24th Energy Level
10.4.8 25th Energy Level
10.5.2 26th Energy Level
10.5.4 27th Energy Level
10.5.5 28th Energy Level
10.5.7 29th Energy Level
10.6.1 30th Energy Level
10.8 Electrochemical Equivalent
NA1.87 g/amp-hr
0.16812
8.3209
10.9 Electron Work Function
10.12 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes
11 Atomic
11.1 Atomic Number
11.3 Electron Configuration
[Rn] 5f14 6d5 7s2
[Xe] 4f6 6s2
11.4 Crystal Structure
Hexagonal Close Packed (HCP)
Rhombohedral (RHO)
11.4.1 Crystal Lattice
11.5 Atom
11.5.1 Number of Protons
12.1.1 Number of Neutrons
12.1.3 Number of Electrons
12.2 Radius of an Atom
12.2.1 Atomic Radius
128.00 pm180.00 pm
112
265
12.3.1 Covalent Radius
141.00 pm198.00 pm
96
260
12.4.1 Van der Waals Radius
12.6 Atomic Weight
270.00 amu150.36 amu
6.94
294
12.7 Atomic Volume
NA19.95 cm3/mol
1.39
71.07
12.9 Adjacent Atomic Numbers
12.9.1 Previous Element
12.9.2 Next Element
12.10 Valence Electron Potential
12.11 Lattice Constant
NA362.10 pm
228.58
891.25
12.12 Lattice Angles
12.13 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
37.10 g/cm37.52 g/cm3
0.534
40.7
14.1.4 Density When Liquid (at m.p.)
14.2 Tensile Strength
14.4 Viscosity
14.5 Vapor Pressure
14.5.1 Vapor Pressure at 1000 K
14.5.3 Vapor Pressure at 2000 K
14.6 Elasticity properties
14.6.1 Shear Modulus
15.2.1 Bulk Modulus
15.3.1 Young's Modulus
15.5 Poisson Ratio
15.7 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.2.2 Magnetic Ordering
16.2.3 Permeability
16.2.5 Susceptibility
16.4 Electrical Properties
16.4.1 Electrical Property
16.4.2 Resistivity
16.4.3 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
16.4.4 Electron Affinity
17 Thermal
17.1 Specific Heat
17.2 Molar Heat Capacity
NA29.54 J/mol·K
16.443
62.7
17.3 Thermal Conductivity
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA166.40 kJ/mol
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
17.7 Standard Molar Entropy
NA69.60 J/mol.K
9.5
198.1