1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
2.9 Block
2.10 Element Family
2.11 CAS Number
74404067440393
7429905
54386242
3.7 Space Group Name
3.9 Space Group Number
4 Facts
4.1 Interesting Facts
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
- 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.
4.3 Sources
Bombarding Americium with Alpha Particles.
Earth's crust, Found in Minerals, Mining, Ores of Minerals
4.5 History
4.5.1 Who Discovered
Lawrence Berkeley National Laboratory
Carl Wilhelm Scheele
4.5.2 Discovery
4.6 Abundance
4.6.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~0.000001 %
1E-08
0.1
2.6.6 Abundance In Meteorites
3.2.7 Abundance In Earth's Crust
4.1.1 Abundance In Oceans
5.2.4 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- This metal is very rare and has no commercial uses.
- 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.
6.1.1 Industrial Uses
NA
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
6.1.2 Medical Uses
6.1.3 Other Uses
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-30.07 Blood/mg dm-3
0
1970
8.2.2 In Bone
0.00 p.p.m.70.00 p.p.m.
0
170000
9 Physical
9.1 Melting Point
986.00 °C725.00 °C
27
3410
10.4 Boiling Point
2,627.00 °C1,140.00 °C
147
5660
10.7 Appearance
10.7.1 Physical State
10.7.2 Color
10.7.3 Luster
10.8 Hardness
10.8.1 Mohs Hardness
10.11.2 Brinell Hardness
11.3.1 Vickers Hardness
11.5 Speed of Sound
12.4 Optical Properties
12.4.1 Refractive Index
12.4.2 Reflectivity
12.7 Allotropes
12.7.1 α Allotropes
Not Available
Not Available
12.7.2 β Allotropes
Not Available
Not Available
12.7.3 γ Allotropes
Not Available
Not Available
13 Chemical
13.1 Chemical Formula
13.2 Isotopes
13.2.1 Known Isotopes
13.3 Electronegativity
13.3.1 Pauling Electronegativity
14.2.3 Sanderson Electronegativity
14.5.2 Allred Rochow Electronegativity
14.5.6 Mulliken-Jaffe Electronegativity
14.6.2 Allen Electronegativity
14.8 Electropositivity
14.8.1 Pauling Electropositivity
14.9 Ionization Energies
14.9.1 1st Energy Level
601.00 kJ/mol502.90 kJ/mol
375.7
26130
14.10.3 2nd Energy Level
1,186.00 kJ/mol965.20 kJ/mol
710.2162
28750
14.11.4 3rd Energy Level
2,152.00 kJ/mol3,600.00 kJ/mol
1600
34230
14.11.10 4th Energy Level
3,434.00 kJ/molNA
2780
37066
14.11.14 5th Energy Level
14.11.18 6th Energy Level
14.11.22 7th Energy level
14.11.25 8th Energy Level
14.11.28 9th Energy Level
14.11.32 10th Energy Level
14.11.37 11th Energy Level
14.11.41 12th Energy Level
14.11.44 13th Energy Level
14.11.48 14th Energy Level
14.11.53 15th Energy Level
14.11.57 16th Energy Level
14.11.60 17th Energy Level
14.11.65 18th Energy Level
14.11.69 19th Energy Level
14.11.73 20th Energy Level
14.11.77 21st Energy Level
14.11.80 22nd Energy Level
14.11.83 23rd Energy Level
14.12.2 24th Energy Level
14.13.3 25th Energy Level
15.1.2 26th Energy Level
15.4.2 27th Energy Level
15.4.4 28th Energy Level
15.4.7 29th Energy Level
15.4.8 30th Energy Level
15.5 Electrochemical Equivalent
3.07 g/amp-hr2.56 g/amp-hr
0.16812
8.3209
15.7 Electron Work Function
15.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
16 Atomic
16.1 Atomic Number
16.3 Electron Configuration
16.4 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
16.4.1 Crystal Lattice
16.5 Atom
16.5.1 Number of Protons
17.2.1 Number of Neutrons
17.4.1 Number of Electrons
17.10 Radius of an Atom
17.10.1 Atomic Radius
170.00 pm222.00 pm
112
265
17.13.1 Covalent Radius
1.2.1 Van der Waals Radius
1.7 Atomic Weight
247.00 amu137.33 amu
6.94
294
1.13 Atomic Volume
NA39.24 cm3/mol
1.39
71.07
1.16 Adjacent Atomic Numbers
1.16.1 Previous Element
1.16.2 Next Element
1.17 Valence Electron Potential
45.50 (-eV)21.30 (-eV)
8
392.42
1.20 Lattice Constant
341.60 pm502.80 pm
228.58
891.25
1.24 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
1.25 Lattice C/A Ratio
3 Mechanical
3.1 Density
3.1.1 Density At Room Temperature
14.78 g/cm33.51 g/cm3
0.534
40.7
3.7.3 Density When Liquid (at m.p.)
13.25 g/cm33.34 g/cm3
0.512
20
3.12 Tensile Strength
5.4 Viscosity
6.2 Vapor Pressure
6.2.1 Vapor Pressure at 1000 K
6.5.1 Vapor Pressure at 2000 K
6.9 Elasticity properties
6.9.2 Shear Modulus
6.12.3 Bulk Modulus
6.14.3 Young's Modulus
7.2 Poisson Ratio
1.2 Other Mechanical Properties
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
2.2.5 Magnetic Ordering
Paramagnetic
Paramagnetic
2.2.6 Permeability
2.4.2 Susceptibility
3.2 Electrical Properties
3.2.1 Electrical Property
3.2.2 Resistivity
3.6.1 Electrical Conductivity
NA0.03 106/cm Ω
0.00666
0.63
4.2.1 Electron Affinity
5 Thermal
5.1 Specific Heat
5.2 Molar Heat Capacity
NA28.07 J/mol·K
16.443
62.7
5.5 Thermal Conductivity
10.00 W/m·K18.40 W/m·K
6.3
429
5.6 Critical Temperature
5.7 Thermal Expansion
6.2 Enthalpy
6.2.1 Enthalpy of Vaporization
NA140.00 kJ/mol
7.32
799.1
6.3.1 Enthalpy of Fusion
6.4.1 Enthalpy of Atomization
6.6 Standard Molar Entropy
NA62.50 J/mol.K
9.5
198.1