What element is named after a mythological sower of dragon's teeth?

Cadmium

Cadmium is the element named after a mythological sower of dragon's teeth known as Cadmus. Cadmus was the first king of Thebes and the greatest hero who slayed monsters before the times of Heracles. Cadmium is a toxic, soft, bluish-white metal that forms complex compounds. Cadmium is abbreviated with the symbol Cd, located in group 12 of the periodic table and it has the atomic number 48. Cadmium is inflammable and does not dissolve in water.