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francium

/ˈfræn.si.əm/

franciumnoun

Translations

Francium is a highly radioactive metal.

Франций - это высокорадиоактивный металл.

Definitions

A highly radioactive chemical element with the symbol Fr and atomic number 87, belonging to the alkali metal group.

Francium is one of the rarest elements on Earth, with only a few grams present in the Earth's crust at any time.

franciumadjective

/ˈfræn.si.əm/

Used attributively in chemical compound names (e.g., "francium chloride").

Definitions

Relating to, containing, or derived from the chemical element francium.

The lab synthesized francium salts for spectroscopic analysis.