1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.8 Block
1.9 Element Family
Transition Metal
Alkaline Earth
1.10 CAS Number
540371487440393
7429905
54386242
1.14 Space Group Name
1.15 Space Group Number
3 Facts
3.1 Interesting Facts
- Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
- Barium oxidizes very easily in the air.
- All toxic compounds of Barium can easily dissolve in water.
- Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
3.2 Sources
Found in Minerals, Mining, Synthetically Produced
Earth's crust, Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Carl Wilhelm Scheele
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.6.1 Abundance In Sun
~-9999 %~0.000001 %
1E-08
0.1
3.7.3 Abundance In Meteorites
3.8.2 Abundance In Earth's Crust
3.8.5 Abundance In Oceans
3.9.1 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Currently known uses of Bohrium metal are limited to research purpose only.
- It is sued in chemical paint manufacturing and glass manufacturing.
-
Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
5.1.1 Industrial Uses
NA
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
5.1.2 Medical Uses
5.1.3 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.07 Blood/mg dm-3
0
1970
5.3.3 In Bone
0.00 p.p.m.70.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
7.2 Boiling Point
7.5 Appearance
7.5.1 Physical State
7.5.2 Color
7.5.3 Luster
7.6 Hardness
7.6.1 Mohs Hardness
7.7.1 Brinell Hardness
7.9.2 Vickers Hardness
7.10 Speed of Sound
7.12 Optical Properties
7.12.1 Refractive Index
7.12.2 Reflectivity
7.13 Allotropes
7.13.1 α Allotropes
Not Available
Not Available
7.13.2 β Allotropes
Not Available
Not Available
7.13.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.3.2 Sanderson Electronegativity
8.3.3 Allred Rochow Electronegativity
8.3.4 Mulliken-Jaffe Electronegativity
8.3.5 Allen Electronegativity
8.4 Electropositivity
8.4.1 Pauling Electropositivity
8.5 Ionization Energies
8.5.1 1st Energy Level
742.90 kJ/mol502.90 kJ/mol
375.7
26130
8.5.2 2nd Energy Level
1,688.50 kJ/mol965.20 kJ/mol
710.2162
28750
8.5.3 3rd Energy Level
2,566.50 kJ/mol3,600.00 kJ/mol
1600
34230
8.5.4 4th Energy Level
3,598.90 kJ/molNA
2780
37066
8.5.5 5th Energy Level
4,727.80 kJ/molNA
4305.2
97510
8.5.6 6th Energy Level
5,991.70 kJ/molNA
5715.8
105800
8.5.7 7th Energy level
7,226.80 kJ/molNA
7226.8
114300
8.5.8 8th Energy Level
8.5.9 9th Energy Level
8.5.10 10th Energy Level
8.5.11 11th Energy Level
8.5.12 12th Energy Level
8.5.13 13th Energy Level
8.5.14 14th Energy Level
8.5.15 15th Energy Level
8.5.16 16th Energy Level
8.5.17 17th Energy Level
8.5.18 18th Energy Level
8.5.19 19th Energy Level
8.5.20 20th Energy Level
8.5.21 21st Energy Level
8.5.22 22nd Energy Level
8.5.23 23rd Energy Level
8.5.24 24th Energy Level
8.5.25 25th Energy Level
8.5.26 26th Energy Level
8.5.27 27th Energy Level
8.5.28 28th Energy Level
8.5.29 29th Energy Level
8.5.30 30th Energy Level
8.6 Electrochemical Equivalent
NA2.56 g/amp-hr
0.16812
8.3209
8.7 Electron Work Function
8.8 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f14 6d5 7s2
[Xe] 6s2
9.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.2 Number of Neutrons
9.4.3 Number of Electrons
9.5 Radius of an Atom
9.5.1 Atomic Radius
128.00 pm222.00 pm
112
265
9.5.2 Covalent Radius
141.00 pm215.00 pm
96
260
9.5.3 Van der Waals Radius
9.6 Atomic Weight
270.00 amu137.33 amu
6.94
294
9.7 Atomic Volume
NA39.24 cm3/mol
1.39
71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
9.10 Lattice Constant
NA502.80 pm
228.58
891.25
9.11 Lattice Angles
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
37.10 g/cm33.51 g/cm3
0.534
40.7
10.1.2 Density When Liquid (at m.p.)
10.2 Tensile Strength
10.3 Viscosity
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
10.4.2 Vapor Pressure at 2000 K
10.5 Elasticity properties
10.5.1 Shear Modulus
10.5.2 Bulk Modulus
10.5.3 Young's Modulus
10.6 Poisson Ratio
10.7 Other Mechanical Properties
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
11.1.2 Magnetic Ordering
11.1.3 Permeability
11.1.4 Susceptibility
11.2 Electrical Properties
11.2.1 Electrical Property
11.2.2 Resistivity
11.2.3 Electrical Conductivity
NA0.03 106/cm Ω
0.00666
0.63
11.2.4 Electron Affinity
12 Thermal
12.1 Specific Heat
12.2 Molar Heat Capacity
NA28.07 J/mol·K
16.443
62.7
12.3 Thermal Conductivity
12.4 Critical Temperature
12.5 Thermal Expansion
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
NA140.00 kJ/mol
7.32
799.1
12.6.2 Enthalpy of Fusion
12.6.3 Enthalpy of Atomization
12.7 Standard Molar Entropy
NA62.50 J/mol.K
9.5
198.1