How Do We Get It? – Cerium.The Discovery and Extraction of Cerium: A Journey into the Periodic Table. Have you ever looked at the periodic table of elements and wondered where those elements come from? One intriguing element is cerium, which has the symbol “Ce” and the atomic number 58. Cerium is of particular interest because of its unique properties and various applications in everyday life, from making bright screens for electronic devices to improving catalysts in cars. But how do we actually obtain cerium? Let’s explore its discovery and extraction process in a way that’s easy to understand!