Strontium
Derek Murphy
Physical Properties
Atomic Mass: 87.62
Atomic Radius in picometers (pm): 200 pm
Density: 2.630 g/cc
Melting Point: 1050 K
Boiling Point: 1655 K
At room temperature (22°C), this element is a: © Solid £ Liquid £ Gas £ Unknown
Appearance: Metallic shards
Conductivity: 7.7x106 S/m
Malleability: Very malleable
Hardness: 1.5MPa
Other physical properties: N/A
Chemical Properties
Flammability: Highly flammable when in contact with water and oxygen
Reactivity: Extreme reactivity with oxygen and water
Atom Structure
Atomic Number: 38
Mass Number: 88
Protons: 38
Neutrons: 50
Electrons: 38
History and Discovery
It was discovered 1787.
Where?
It was discovered in Strontian, Scotland.
Who?
It was discovered by William Cruickshank.
How?
It was discovered in a lead mine.
Applications and Uses
Specific Isotopes: Strontium-90 is used in nuclear reactors and fallout.
Compounds: N/A
Sources Cited
- 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.
-Royal Society of Chemistry: http://www.rsc.org/periodic-table