Palladium

By: Kelly Cummings

The History of Palladium

Palladium was first found in the 1700s by Brazilian miners, sadly the miners had no idea how important this metal is that they just let it go and did nothing with it. Then later a guy named William Wollaston found Palladium in England and he decided to mine it.

The Name Palladium

Palladium is named after the asteroid pallas and it is also named after the greek goddess of wisdom Athena.

Fun Facts

Palladium will only react to the air if there is sulfur present.

Palladium swells up like a sponge when it absorbs large amounts of hydrogen.

Palladium is the least dense metal and it also has the smallest melting point out of all the platinum metals.

Different compounds

Palladium has two different compounds but only one is really important. PdCl-2 is used to rapidly stain stainless steel, and is also used sometimes to be able to test for corrosion.

Different Isotopes

Palladium has six different isotopes but only two are really important and really stable. Pd-103 is used in radiation therapy. Pd-107 it yields from thermal neutron fission of uranium-235.

Physical Properties

Palladium is a conductor and it is also malleable because it can scratch other materials. Palladium can also scratch other metals.

Its location

Palladium is located in the middle of the periodic table and it is atomic 46.

Chemical Properties

Palladium is only reactive when there is sulfur in the air.

Works Cited

  • Element Card: Gray, Theodore W. (2008). The Photographic Card Deck of the Elements.