Mercury, also known as quicksilver (etymologically “water-silver”), is a chemical element denoted as Hg from Greek ὑδράργυρος (and Latin hydrargyrum) (10 letters, 400 + 4 + 100 + 1 + 100 + 3 + 400 + 100 + 70 + 6 = 1378 = 19 = 10) with the atomic number of 80.