Beryllium: Difference between revisions
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imported>Howard C. Berkowitz No edit summary |
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Beryllium is toxic to living organisms. | Beryllium is toxic to living organisms. | ||
It is a strategic material in nuclear weapons, specifically acting as a [[fission device#neutron reflection|neutron reflector surrounding the fission core, increasing its neutron density, and decreasing the size of the device. This was first used operationally in the U.S. [[Mark 12 (nuclear weapon)]], | |||
Revision as of 01:38, 30 April 2010
Beryllium is a chemical element, having the chemical symbol Be.
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Its atomic number (the number of protons) is 4. It has a Standard Atomic Weight of 9.012182(3), and is typically found as a solid in its elemental form.
Beryllium is considered to be a member of the "Alkaline Earth Metal" class of elements, has a boiling point of 2471 °C , and a melting point of 1287 °C .
Beryllium is toxic to living organisms.
It is a strategic material in nuclear weapons, specifically acting as a [[fission device#neutron reflection|neutron reflector surrounding the fission core, increasing its neutron density, and decreasing the size of the device. This was first used operationally in the U.S. Mark 12 (nuclear weapon),