Palladium at Chemical Elements.com 


 

Basic Information


Name: Palladium
Symbol: Pd
Atomic Number: 46
Atomic Mass: 106.42 amu
Melting Point: 1552.0 °C (1825.15 °K, 2825.6 °F)
Boiling Point: 2927.0 °C (3200.15 °K, 5300.6 °F)
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

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

Isotopes

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

Facts


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