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Gallium metal, liquid

Liquid gallium metal, under very dilute hydrochloric acid. Gallium is one of the 4 metals that is a liquid at 30 C (3 other metals include cesium, francium and mercury). Its melting point is 29.7646 °C, but has a tendency to supercool below this temperature.

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Uploaded on May 5, 2009
Taken on June 21, 2009