Atomic number: 46

Symbol: Pd

Category: transition metal

Density at 25°C: solid:  12.023 g·cm−3

This is another important element used in catalytic converters. It's also used in ceramic capacitors. It has important economic value for investors.

Temp image of palladium. image adapted from wikipedia

Use, natural applications or common combinations: 

  • Catalytic converters
  • Jewellery - since 1939, as an alternative to platinum for making white gold.
  • Hydrogen storage - limited due to expense.

Basic characteristics:

  • Standard atomic weight: 106.42(1)
  • Melting point: 1554.9 °C
  • Boiling point: 2963 °C
  • Radioactivity: almost all stable
    • 107Pd with a half-life of 6.5 million years via beta - decay