What element has the symbol 'Ce'?

The story behind the answer

Ce is the symbol for cerium, a silvery lanthanide (atomic number 58). Don’t confuse it with similar-sounding elements: cobalt is Co, calcium is Ca, and chromium is Cr.

Cerium was named after the dwarf planet Ceres and was discovered in 1803. It’s widely used in lighter “flints” (mischmetal) because cerium sparks easily when scraped, and in catalysts and glass polishing. Memory tip: “Ce” starts “Cerium,” and “Ce = sparks” helps you recall its role in lighters. Also, think “Ce for CErEs