Promethium By Joe C Metal 61 Lanthanide Pm State at room - - PowerPoint PPT Presentation

Promethium

By Joe C

Pm

61

145

• Metal
• Lanthanide
• State at room

temperature is solid

• Light green or

Teal/Turquoise

• Melting point - 1,907ºF
• Boiling point - 5,432ºF

Info

• Discovered by Jacob A. Marinsky, Lawrence E. Glendenin

and Charles D. Coryell in 1945.

• Discovered in the Clinton Laboratories
• Named after Prometheus a greek mythological character who

stole fire from the gods and gave it to the humans.

• Obtained by separation and analysis of the fission

products of uranium fuel irradiated in a graphite

• reactor. (Artificial)

Properties

Physical

• Density of solids: 7264

kg m‑ 3

• turqoise/teal when

liquid

Chemical

• Radioactive

More Info

Used for research, luminous paints, nuclear batteries for guided missiles, watches, pacemakers and rado's, watches, and light sources for signals.

solid Liquid

Sources

• http://www.lenntech.

com/periodic/elements/pm.htm

• http://www.britannica.

com/science/promethium

• http://www.rsc.org/periodic-

table/element/61/promethium

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