10/12/2026
Mendeleev Monday - Atomic Number 26 - Iron (Fe). Iron's element symbol
(Fe) comes from the Latin word for iron, "ferrum." Iron is the second most abundant metal on Earth and forms about 80% of the planet's inner and outer cores. 98% of iron ore is used to make steel. Pure iron and iron alloys are used to make permanent magnets found in electric motors, generators, loudspeakers and electrical transformers. As cast iron it is common in cookware, pipes, and engine parts.