Connecting Chemistry


Atomic symbol: Rh
Atomic number: 45
Atomic mass: 102.91

Appearance: Silvery white solid at 25°C

Group: 9
Period: 5
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d⁸ 5s¹

Inert and extremely rare.

Typically found in nature with platinum or nickel.

Used in catalytic converters, jewellry, and in nuclear reactors.

Fun Fact! Rhodium is named after the Greek word “rhodon”, meaning rose, named for the rose-red color of its salts.