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Information valid for Pd-106 unless otherwise noted

Basic Information

Symbol: Pd
Atomic Number: 46
Mass: 106.42
Melting Point: 1552.0 C
Boiling Point: 2927.0 C
Number of Protons/Electrons: 46
Number of Neutrons: 60
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 12.02 g/cm3
Color: white

Atomic Structure

[Bohr Model of Palladium]
Number of Energy Levels: 5

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 18
    Fifth Energy Level: 0


Isotope Half Life
Pd-102 Stable
Pd-103 16.99 days
Pd-104 Stable
Pd-105 Stable
Pd-106 Stable
Pd-107 6500000.0 years
Pd-108 Stable
Pd-109 13.5 hours
Pd-110 Stable


Date of Discovery: 1803
Discoverer: William Wollaston
Name Origin: From the Greek goddess of wisdom (Pallas) and after an asteroid
Uses: jewelry, medical instruments
Obtained From: platinum, nickel, copper, mercury ores