Definition

A highly unstable and radioactive chemical element that belongs to the alkali metals group, known for its short lifespan and produced artificially or found as a decay product of actinium.

Example

Francium is one of the rarest elements on Earth and is highly radioactive.

Conversation

Did you know that francium is one of the rarest elements on Earth?

Really? I had no idea it was so uncommon!

Yeah, it's actually really unstable and radioactive.

That sounds pretty dangerous, but also fascinating!

Synonyms & Antonyms

Root Explanation

Francium → The name 'francium' is derived from 'Francus' (meaning Frank), which refers to the Franks, a Germanic tribe. The suffix '-ium' is commonly used in chemistry to denote metallic elements. Thus, francium is named after the country France, which is associated with the Franks, and it is a metallic element.

Memory Tip

Think of the Franks, a Germanic tribe, to remember that francium is named after France, where this element was discovered.

Visually Confused Words