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Barium

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by

Ben Krupka

on 18 December 2012

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Transcript of Barium

Discovery Barium was discovered by Sir Humphrey Davy in 1808. Basic Information What is Barium? Atomic Number: 56
Atomic Mass: 137.33
Chemical Symbol: Ba Properties State of Matter at Room Temperature: Solid
Density: 3.6 g/cm^3
Boiling Point: 1897 °C
Melting Point: 727 °C
Is not radioactive, but has radioactive isotopes Ways the Element is Used To remove the last traces of gases
In x-ray imaging of the digestive system
Making sparkplugs
Making ceramics and some types of glass
Making rat poison Other Interesting Facts The word barium comes from the Greek word barys, which means heavy.
When barium dissolves in water, it is poisonous if ingested.
It is only found combined with other elements. By: Ben Krupka Barium 2 valence electrons 56 protons and electrons 81 neutrons Barium is a metallic element, soft, and when pure is silvery white like lead. The metal oxidizes very easily and it reacts with water or alcohol. Barium is one of the alkaline-earth metals. This is pure barium.
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