By Amy Winger
Atomic Radius: 238 pm
Density: 7.353 g/cc
Melting Point: 1072°C (1962°F)
Appearance: silver luster,
Conductivity: (metal) high
Other physical properties: magnetic
Atomic Number : 62 Mass Number: 150.36 Protons: 62
Neutrons: 88 Electrons: 62
Location on the Periodic Table
(Number 62) next to last line at the bottom, five in from the right.
History and Discovery
When was Samarium discovered?
Where was Samarium discovered?
Who Discovered Samarium?
Jean Charles Galissard de Marignac, a Swiss chemist, was the first to observe it.
Paul-Émile Lecoq de Boisbaudran, a French chemist, was the first to isolate samarium from the mineral samarskite
How was Samarium discovered?
Applications and Uses
-Magnets used in higher temperatures
-Reagents and medicines
Sm 149 has been used in a filter for dividing thermal neutrons
Sm 153 is used for lessening bone pain
Mixed with carbon makes carbon lights
Name and Symbol
Little is known about the toxicity and it should be handled with care
It costs $5 per gram
Element Card: Gray, Theodore W. (2008). The Photographic Card Deck of the Elements.
Elements Book: Gray, Theodore W. (2009). The Elements: A visual exploration of every known atom in the universe. New York: Black Dog & Leventhal Publishers, Inc.
Jefferson Lab: <http://education.jlab.org/itselemental/ele062.html>.
Los Alamos National Laboratory: <http://periodic.lanl.gov/62.shtml>.
Royal Society of Chemistry: http://www.rsc.org/periodic-table/element/62/samarium