1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74404067440144
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
2.2 Sources
Bombarding Americium with Alpha Particles.
Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Not Available
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.4.4 Abundance In Meteorites
2.4.7 Abundance In Earth's Crust
2.4.8 Abundance In Oceans
3.2.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- This metal is very rare and has no commercial uses.
- It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
-
It is used in luminous paints.
4.1.1 Industrial Uses
4.1.2 Medical Uses
NA
Pharmaceutical Industry
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.2.5 In Bone
6 Physical
6.1 Melting Point
986.00 °C700.00 °C
27
3410
7.3 Boiling Point
2,627.00 °C1,737.00 °C
147
5660
7.5 Appearance
7.5.1 Physical State
7.5.3 Color
7.5.5 Luster
7.7 Hardness
7.7.1 Mohs Hardness
7.8.1 Brinell Hardness
7.8.3 Vickers Hardness
7.10 Speed of Sound
7.12 Optical Properties
7.12.1 Refractive Index
7.14.1 Reflectivity
7.15 Allotropes
7.15.1 α Allotropes
Not Available
Not Available
7.15.2 β Allotropes
Not Available
Not Available
7.15.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.5.2 Sanderson Electronegativity
9.5.4 Allred Rochow Electronegativity
9.6.1 Mulliken-Jaffe Electronegativity
9.6.5 Allen Electronegativity
9.7 Electropositivity
9.7.1 Pauling Electropositivity
9.8 Ionization Energies
9.8.1 1st Energy Level
601.00 kJ/mol509.30 kJ/mol
375.7
26130
9.9.2 2nd Energy Level
1,186.00 kJ/mol979.00 kJ/mol
710.2162
28750
9.10.2 3rd Energy Level
2,152.00 kJ/molNA
1600
34230
9.10.5 4th Energy Level
3,434.00 kJ/molNA
2780
37066
9.10.7 5th Energy Level
9.10.9 6th Energy Level
9.11.2 7th Energy level
9.11.3 8th Energy Level
9.11.5 9th Energy Level
9.11.6 10th Energy Level
9.11.8 11th Energy Level
9.11.10 12th Energy Level
9.11.11 13th Energy Level
9.11.13 14th Energy Level
9.11.14 15th Energy Level
9.11.16 16th Energy Level
9.11.17 17th Energy Level
9.11.19 18th Energy Level
9.11.20 19th Energy Level
9.11.22 20th Energy Level
9.11.23 21st Energy Level
9.11.24 22nd Energy Level
9.11.26 23rd Energy Level
9.11.27 24th Energy Level
9.11.28 25th Energy Level
9.11.29 26th Energy Level
9.11.31 27th Energy Level
9.11.32 28th Energy Level
9.11.33 29th Energy Level
9.11.35 30th Energy Level
9.12 Electrochemical Equivalent
3.07 g/amp-hr4.22 g/amp-hr
0.16812
8.3209
9.13 Electron Work Function
9.14 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
10.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
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
10.5.2 Covalent Radius
10.5.4 Van der Waals Radius
10.6 Atomic Weight
247.00 amu226.00 amu
6.94
294
10.7 Atomic Volume
NA45.20 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
45.50 (-eV)20.10 (-eV)
8
392.42
10.10 Lattice Constant
341.60 pm514.80 pm
228.58
891.25
10.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
14.78 g/cm35.50 g/cm3
0.534
40.7
11.1.3 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.3 Vapor Pressure at 2000 K
11.6 Elasticity properties
11.6.1 Shear Modulus
11.6.2 Bulk Modulus
11.7.1 Young's Modulus
11.8 Poisson Ratio
12.2 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.2 Magnetic Ordering
13.1.3 Permeability
13.1.4 Susceptibility
13.5 Electrical Properties
13.5.1 Electrical Property
13.5.2 Resistivity
13.5.3 Electrical Conductivity
13.5.5 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
14.4 Thermal Conductivity
10.00 W/m·K18.60 W/m·K
6.3
429
14.5 Critical Temperature
14.6 Thermal Expansion
14.7 Enthalpy
14.7.1 Enthalpy of Vaporization
14.7.2 Enthalpy of Fusion
14.8.1 Enthalpy of Atomization
14.9 Standard Molar Entropy
NA71.00 J/mol.K
9.5
198.1