Mercury, also known as quicksilver, is a fascinating element with unique properties and a rich history in various scientific and cultural contexts. Here are some interesting facts about this liquid metal: 1. **Only Metal That Is Liquid at Room Temperature:** Mercury is the only metal that remains in a liquid state at standard room temperature and pressure. Its melting point is -38.83 degrees Celsius (-37.89 degrees Fahrenheit), which allows it to remain liquid over a wide range of temperatures.