Riddles Random Riddle: The Element October 10, 2020June 25, 2020 gags I am a chemical symbol for an element. This element was discovered in 1824. I am a Spanish word without the accent. Reverse me so I become a form of a common verb. What symbol am I? Show answer Si. (silicon) Silicon was discovered in 1824. “Si” with an accent means “yes” in Spanish. Reverse it to become “is”, which is a form of the verb “be”.