Mercury's element symbol is Hg.
It has an atomic number of 80 and an atomic mass of 200.59.
Mercury has 80 protons and electrons and 122 neutrons.
Mercury is a liquid at 28.9. it is also the heaviest know elemental liquid
mercury is a metal
Mercury has been around since ancient time. It was known to ancient Chinese, Egyptians, : Hindus & has been found in tombs dating back to about 1500 B.C
Mercury is mostly used in batteries, fluorescent lights, felt products, thermometers & barometers.
Physical properties are that it is a liquid at room temperature and vaporizes w increased heat.
Chemical properties are that it does not react with most acids such as dilute sulfuric acids
Unusual facts about Mercury is that it is a shiny, silvery liquid metal , sometimes called quicksilver. Although mercury and all of it compounds are known to be highly toxic, it was considered therapeutic throughout much of history.