rhodium

|| by: Miles Griffith
 * || **Atomic number** || 45 ||
 * **Atomic mass** || 102.91 g.mol -1 ||
 * **Electronegativity according to Pauling** || 2.2 ||
 * **Density** || 12.4 g.cm -3 at 20°C ||
 * **Melting point** || 1970 °C ||
 * **Boiling point** || 3727 °C ||
 * **Isotopes** || 9 ||
 * **Electronic shell** || [ Kr ] 4d 8 5s 1 ||
 * **Energy of first ionisation** || 742 kJ.mol -1 ||
 * **Standard Potential** || 0.6 V ||
 * **Discovered by** || William Wollaston in 1803 ||

Read more: [|http://www.lenntech.com/periodic/elements/rh.htm#ixzz3mVacLz8y]