Mercury (IPA: /ˈmɜrkjʊri/), also called quicksilver (/ˈkwɪksɪlvər/)[1] or hydrargyrum (/haɪˈdrɑrdʒɨrəm/), is a chemical element with the symbol Hg (Latinized Greek: hydrargyrum, meaning watery or liquid silver) and atomic number 80. A heavy, silvery d-block metal, mercury is one of six elements that are liquid at or near room temperature and pressure.[2] The others are the elements caesium, francium, gallium, bromine, and rubidium. Of the metals, only mercury is liquid at standard conditions for temperature and pressure with the melting point of −38.83°C and the boiling point of 356.73°C, making it one of the narrowest liquid range of any metals.