bn:00006919n
Noun Concept
Categories: France, Francium, Science and technology in France, Alkali metals, BCC crystal habit
EN
francium  Fr  atomic number 87  87Fr  actinium K
EN
A radioactive element of the alkali-metal group discovered as a disintegration product of actinium WordNet 3.0
element
Definitions
Relations
Sources
EN
A radioactive element of the alkali-metal group discovered as a disintegration product of actinium WordNet 3.0 & Open English WordNet
Francium is a chemical element with the symbol Fr and atomic number 87. Wikipedia
Chemical element with symbol Fr and atomic number 87, alkali metal. OmegaWiki
The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature. Wiktionary
Chemical element. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki
Wikidata Alias