Platinum (Pt) VS Palladium (Pd)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Platinum (Pt) is an element in the transition metals category with an atomic number of 78. Palladium (Pd) is an element in the transition metals category with an atomic number of 46.
Platinum (Pt) is 1.8x denser than Palladium (Pd). Furthermore, Platinum (Pt) melts at a significantly higher temperature than Palladium (Pd) (a difference of 213.4 Kelvin).
Where do the names come from?
Pt Platinum (Pt) Naming History
The name Platinum is derived from the Spanish ''platina'', meaning little silver.
Pd Palladium (Pd) Naming History
Palladium is named after the asteroid Pallas, in turn named after the Greek goddess of wisdom, Pallas.
Related Comparisons
Compare
Platinum (Pt)
Palladium (Pd)
Category
Transition Metals
Transition Metals
Atomic Number
78
46
Symbol
Pt
Pd
Atomic Mass
195.084 u
106.42 u
Group
10
10
Period
6
5
Block
d-block
d-block
Standard State (at 20°C)
solid
solid
Density
21.45 g/cm³
12.023 g/cm³
Melting Point (°C)
1768.2°C
1554.8°C
Melting Point (°F)
3214.8°F
2830.6°F
Melting Point (K)
2041.4 K
1828.05 K
Boiling Point (°C)
3825°C
2963°C
Boiling Point (°F)
6917°F
5365°F
Boiling Point (K)
4098 K
3236 K
Year Discovered:
1735
1803
CAS Number
04/06/7440
03/05/7440
Origin of Name:
The name is derived from the Spanish ''platina'', meaning little silver.
Palladium is named after the asteroid Pallas, in turn named after the Greek goddess of wisdom, Pallas.