Rhobium

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: Rh
Atomic Number: 45
Atomic weight: 102.9055u
Melting Point: 2236K
Boiling Point: 3970K
Number of Protons/Electrons: 45
Number of Neutrons: 58
Classification: Transition Metal
Crystal Structure: Face Centered Cubic
Density at 293 K: 12.4g/mL
Color: Silverish
Bonding radius: 1.25A
Atomic radius: 1.83A
Ionization Potential: 7.46V
Electronegativity: 2.28
Heat of vaporization: 493kJ/mol
Heat of fusion: 21.5kJ/mol
Specific heat: 0.242J/gK
Electron configuration: [Kr]4d85s1



Crystal Structure


Isotopes

Isotope Half Life
Rh101 3.3 years
Rh101m 4.35 days
Rh102 2.9 years
Rh102m 207.0 days
Rh103 Stable
Rh103m 56.12 minutes
Rh105 35.36 hours
Rh105m 40.0 seconds
Rh106 29.9 seconds


Facts

Date of Discovery: 1803
Discoverer: William Wollaston
Uses: Coatings
Obtained From: By-product of nickel production


Related Links