Palladium

Palladium

History

-found in 1803 by William Hyde Wollaston-London-a rare silvery-white metal resembling platinum

atomic number: 46number of electrons: 46atomic mass: 106.42 ± 0.01 uboiling/melting point: 5,365°F (2,963°C)/2,831°F (1,555°C)number of protons: 46element category: metalnumber of neutrons: 60period/group: 5/10

BasicInfo

Fun Facts

-the largest use of Palladium is for automobile catalytic converters-Palladium is 30x rarer than Gold-Palladium was first used in jewelry in 1939-Palladium can absorb up to 900 times its own volume of hydrogen-in the late 1800s, Palladium was more expensive than Platinum-Palladium is 12.6% harder and whiter in color than Platinum

Physical Properties

- malleable -ductile-hardness-melting point-boiling point-heat of fusion-heat of vaporization-specific heat capacity- elasticity-reflectivity-thermal conductivity

-reactivity-flammability

Chemical Properties

-autocatalysts-electronics-dentistry-jewelry-coinage-oil refining-photography-water treatment-medicine

Uses