46
Pd
Transition metal

Palladium

Atomic number 46 · Period 5 · Block D

Pd · Palladium
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Understanding the element

Palladium (Pd) is chemical element 46. It belongs to the transition metals, and its reference state at room temperature is a solid. Those basic facts are a useful starting point for its chemistry and applications.

Where do we encounter it?

In practice, it turns up most often in catalysts, electronics and hydrogen storage research.

catalystselectronicshydrogen storage research
Standard atomic weight106.42(1)

What its position in the table tells us

Palladium sits in period 5, group 10 and the D block. That location is useful because neighbouring elements often share trends in valence electrons, oxidation states and bonding behaviour.

Worth remembering
Palladium has a characteristic place in the periodic table that helps explain both its chemistry and its practical uses

Scientific sources

Element identity
Atomic number46
Group10
Period5
BlockD
CategoryTransition metal
PhaseSolid