Promethium


 * Element Name:** Promethium


 * Element Symbol:** Pm


 * Atomic Mass:** 145[[image:Promethium_Adela.png width="216" height="288" align="right"]]


 * Atomic Number:** 61


 * Protons:** 61


 * Electrons:** 61


 * Discovery:** Bohuslav Brauner, in 1902


 * How It Was Named:** For the Greek Myth- Prometheus


 * State of Matter:** Solid


 * Melting Point:** 1042 �C


 * Boiling Point:** 3000 �C


 * Characteristics:**
 * Promethium is the only rare element that is radioactive.
 * Promethium is a metallic substance.
 * Glows in the dark as a pale blue or greenish glow color, due to high radioactivity.


 * Uses of Element:** X-rays and hearing aid batteries


 * Interesting Facts:**
 * Not much of Promethium is found on earth's crust.
 * It is mostly found on stars.

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