A Cannonball Floats on Mercury

Mercury is so incredibly dense that if you dropped an iron cannonball into a pool of it, the cannonball would float on top.

A short silent video about Mercury (Hg), element 80, transition metal. Mercury is the only metal that is liquid at room temperature. It was historically used in thermometers.

More Mercury videos

Explore Mercury: facts, properties and a 3D atom · Back to the periodic table