Dysprosium
Symbol: Dy

Atomic Number: 66
Atomic Weight: 162.50
Protons: 66
Neutrons: 96
Electrons: 66
Lanthanide Series

Brief Description:
Dysprosium is bright silver in appearence and is soft enough to be cut with a knife. It is relatively stable in air but can be dissolved in mineral acids with the evolution of hydrogen. Dysprosium is a rare-earth element.