1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
Transition Metal
Actinide
1.7 CAS Number
74401667440713
7429905
54386242
1.10 Space Group Name
1.11 Space Group Number
2 Facts
2.1 Interesting Facts
- Rhodium is the rarest element out of all non-radioactive metals on the earth .
- Rhodium is one of the most durable and hard metal, which also have high reflectance.
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
2.2 Sources
Earth's crust, Found As a By-product, Found in Minerals, Mining
Made by Bombarding Curium with Helium Ions
2.3 History
2.3.1 Who Discovered
William Hyde Wollaston
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.6.1 Abundance In Sun
~0.0000002 %~-9999 %
1E-08
0.1
3.1.2 Abundance In Meteorites
3.1.4 Abundance In Earth's Crust
3.1.5 Abundance In Oceans
3.2.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
- It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
- Californium metal has a very strong neutron emitter. It is used as a metal detector.
-
It also used as an identifier to check Water and oil layers in oil wells.
4.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
Chemical Industry
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys
Alloys, Nuclear Research
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.3.2 In Bone
5 Physical
5.1 Melting Point
1,966.00 °C900.00 °C
27
3410
5.3 Boiling Point
3,727.00 °C1,470.00 °C
147
5660
5.4 Appearance
5.4.1 Physical State
5.4.2 Color
5.4.3 Luster
5.5 Hardness
5.5.1 Mohs Hardness
5.5.3 Brinell Hardness
5.6.1 Vickers Hardness
5.7 Speed of Sound
6.2 Optical Properties
6.2.1 Refractive Index
6.2.4 Reflectivity
6.3 Allotropes
6.3.1 α Allotropes
Not Available
Not Available
6.3.2 β Allotropes
Not Available
Not Available
6.3.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.4.2 Sanderson Electronegativity
7.4.4 Allred Rochow Electronegativity
7.4.6 Mulliken-Jaffe Electronegativity
7.4.7 Allen Electronegativity
8.2 Electropositivity
8.2.1 Pauling Electropositivity
8.4 Ionization Energies
8.4.1 1st Energy Level
719.70 kJ/mol608.00 kJ/mol
375.7
26130
8.5.1 2nd Energy Level
1,740.00 kJ/mol1,206.00 kJ/mol
710.2162
28750
8.5.2 3rd Energy Level
2,997.00 kJ/mol2,267.00 kJ/mol
1600
34230
8.6.1 4th Energy Level
NA3,599.00 kJ/mol
2780
37066
8.7.1 5th Energy Level
8.7.2 6th Energy Level
8.8.2 7th Energy level
8.8.3 8th Energy Level
8.8.5 9th Energy Level
8.8.6 10th Energy Level
8.8.8 11th Energy Level
8.9.1 12th Energy Level
8.9.2 13th Energy Level
8.9.3 14th Energy Level
8.9.4 15th Energy Level
8.9.5 16th Energy Level
8.9.6 17th Energy Level
8.9.7 18th Energy Level
8.9.8 19th Energy Level
8.9.9 20th Energy Level
8.9.10 21st Energy Level
8.9.11 22nd Energy Level
8.9.12 23rd Energy Level
8.9.13 24th Energy Level
8.9.14 25th Energy Level
8.9.15 26th Energy Level
8.9.16 27th Energy Level
8.9.17 28th Energy Level
8.9.18 29th Energy Level
8.9.19 30th Energy Level
8.10 Electrochemical Equivalent
1.28 g/amp-hr3.12 g/amp-hr
0.16812
8.3209
8.11 Electron Work Function
8.12 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Kr] 4d8 5s1
[Rn] 5f10 7s2
9.3 Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
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
134.00 pm186.00 pm
112
265
9.5.2 Covalent Radius
9.5.3 Van der Waals Radius
9.6 Atomic Weight
102.91 amu251.00 amu
6.94
294
9.7 Atomic Volume
8.30 cm3/molNA
1.39
71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
64.00 (-eV)44.50 (-eV)
8
392.42
9.10 Lattice Constant
380.34 pm338.00 pm
228.58
891.25
9.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
12.41 g/cm315.10 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
Malleable
Malleable, Sectile
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
11.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
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
0.21 106/cm ΩNA
0.00666
0.63
11.2.4 Electron Affinity
12 Thermal
12.1 Specific Heat
12.2 Molar Heat Capacity
24.98 J/mol·KNA
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
495.40 kJ/molNA
7.32
799.1
12.6.2 Enthalpy of Fusion
12.6.3 Enthalpy of Atomization
12.7 Standard Molar Entropy
31.50 J/mol.KNA
9.5
198.1