46 Pd 106.42

Palladium

Transition Metal

Palladium (Pd) is a chemical element with atomic number 46, classified as a transition metal. At room temperature it is a solid. It was discovered in 1803 by William Hyde Wollaston.

Properties

Atomic number
46
Atomic mass
106.42 u
Category
Transition Metal
Group
10
Period
5
Block
d-block
Electron configuration
[Kr] 4d¹⁰
Phase at STP
Solid
Density
12.02 g/cm³
Melting point
1828.05 K (1554.9 °C)
Boiling point
3236 K (2962.8 °C)
Electronegativity
2.2
Atomic radius
169 pm
Ionization energy
8.337 eV
Discovery
1803 · William Hyde Wollaston

Common uses

Catalytic converters, jewelry, dentistry, electronics

Did you know?

Can absorb 900 times its volume in hydrogen gas.

Experiment with the elements

Palladium doesn't form any compounds in our lab yet, but the periodic table sandbox lets you combine dozens of other real elements into real compounds — water, table salt, ammonia and many more — with their true chemical formulas.