Palladium

Atomic symbol: Pd
Atomic number: 46
Atomic mass: 106.42

Appearance: Silvery white solid at 25°C

Group: 10
Period: 5
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰

Malleable, soft, and ductile.

Predominantly used in catalytic converters and in fuel cells.

Fun Fact! Palladium can absorb up to 900 times its own volume of hydrogen, swelling up like a sponge absorbing water as it does so.

http://www.chemicool.com/elements/palladium.html