mercury

It is a chemical elemnto whose symbol is HG .Debe his name to the planet of the same name, which is the first planet of the solar system.

Due to a water plant, called Hydrágiros (of the Greek)

Hydrágiros was meaning water of silver, or liquid silver. It is weighed and capablly of flowing and running, since it was not spreading as the water.

Teofrasto explains another way of obtaining mercury, revealing cinnabar with iron.

The Romans started using it (they were calling her Argentum Vivum). In the Middle Ages there begin to be identified the adverse effects of the use of mercury.

information obtained of www.wikipedia.com and www.wbelemens.com