45 Rh ATOMIC MASS 102.91

ELEMENT 45 · TRANSITION METAL

Rhodium (Rh)

Rhodium is a reflective, corrosion-resistant platinum-group metal used mainly in emission-control catalysts.

Atomic number
45
Category
Transition metal
Period
5
Group
9
State
Solid

Fun facts about Rhodium

  • Its catalytic surfaces help convert harmful exhaust gases.
  • Rhodium plating gives jewellery a bright, tarnish-resistant finish.
  • It usually occurs in ores alongside other platinum-group metals.

Common uses of Rhodium

  • Vehicle catalytic converters
  • Reflective jewellery plating
  • Industrial catalysts

Where Rhodium sits in the periodic table

Rhodium is classified as a transition metal in period 5 and group 9 of the periodic table. Under the conditions represented in this reference, its state is solid.

Quick chemistry revision

For quick revision, pair the symbol Rh with atomic number 45 and the listed atomic mass 102.91. The summary, facts, and uses above keep those element properties together in one reference.