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 ...

Levels of mercury persist in tuna, decades after pollution controls were introduced to limit emissions, scientists say. The poisonous element is released by mining and burning coal and ends up in ...

Mellor's treatise on chemistry refers to the suggestion of a missing element between cadmium and mercury. That there is no unknown element to go there is of course evident, but it is highly ...

Levels of mercury persist in tuna, decades after pollution controls were introduced to limit emissions, scientists say. The poisonous element is released by mining and burning coal and ends up in ...