Rhodium

Statistics:

• Name: Rhodium
• Symbol: Rh
• Classification: Transition Metal
• Atomic Number: 45
• Atomic Mass: 102.9055 g/mol
• Density: 12.41 g/cm³
• Melting: 1966°C
• Boiling: 3727°C
• Protons & Electrons:45
• Neutrons:58
• Discovered: 1803
• Discovered By: Wollaston
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Electrons Per Energy Level:

• Level 1: 2
• Level 2: 8
• Level 3: 18
• Level 4: 16
• Level 5: 1

Isotopes:

Isotope: Half-life

• ¹⁰¹Rh: 3.3 years
• ^101m1Rh: 4.34 days
• ¹⁰²Rh: 207 days
• ^102m1Rh: 2.9 years
• ¹⁰³Rh: stable
• ^103m1Rh: 56.12 minutes
• ¹⁰⁵Rh: 35.36 hours
• ^105m1Rh: 45 seconds
• ¹⁰⁶Rh: 29.80 seconds

Brief Summary

Rhodium is a Transition Metal with the symbol 'Rh' and contains 45 Protons & Electrons with 58 neutrons in the nucleus of the atom. Rhodium has an atomic mass of 102.9055 g/mol and, at a temperature of 20°C, has a density of 12.41 g/cm³. It will melt at a temperature of 1966°C and boil at 3727°C.

Rhodium was discovered by Wollaston in 1803 and is named 'Rhodium' Greek word "rhodon" meaning "rose".

Some common usages for Rhodium: coatings.

Definitions and Notes

Density listed is at a temperature of 20°C.

Isotopes are forms of an element who have the same atomic number but different mass because they contain different number of neutrons.

Half-life is the time required for a quantity of a subject to fall to half of its current quantity.

MLA Citing Format

Rhodium :: Rh :: 45 - Chemical Element. 22 Nov. 2008 <http://www.chemicalelement.com/element/rhodium.html>.