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Glite Dictionary
Fr

Fr

5 9.9
A chemical symbol for francium, a very rare radioactive metal
  • noun
  • Specialized
translation icon : Fr

Examples

  • The Fact Retention (FR) scale assesses how one processes specific factual information.

    Academic text (2003)

  • The light and tone were turned on after every 20 (FR 20 schedule) or every 40 (FR 40 schedule) rotations of the pedals.

    Academic text (2007)

  • Each entrant received its own FR-S, $15,000, and three months to turn its show-car vision into reality.

    Blog text (29)

  • The chemical symbol for Fr is used to represent francium in the periodic table.

  • Scientists warn that Fr is highly radioactive and decays quickly.

  • The element Fr belongs to the alkali-metal group on the periodic table.

Synonyms

francium
vsFr
  • Specialized
1 9.9

A very rare metal that is highly radioactive and exists only in tiny amounts in nature

is the chemical symbol that represents that element
atomic number 87
vsFr
  • Specialized
9.8

A very rare metal called francium that is highly radioactive

is the chemical symbol used to name that element

Surface Forms

Fr singular

Etymology

Fr comes from the element francium, which was named after the country France. So, Fr is the short chemical sign for francium and helps you remember that it stands for that rare, very radioactive element.