Mercury, also called quicksilver, is a chemical element in the periodic table that has the symbol Hg and atomic number 80. A heavy, silvery, transition metal, mercury is one of five elements that are ...

This video explores the fascinating reasons behind the physical properties of elements. It answers questions about why mercury is a liquid at room temperature, why gold has its distinctive yellow ...

Broken thermometers are the cause of numerous calls to the Poison Center. Thermometers with a silver line contain elemental mercury. Thermometers with a red or blue liquid do NOT contain mercury.