Assertion: fluorine | /r/HasProperty | isolated
Facets:
value: by the french chemist
type: OTHER
Source sentences:
text: Fluorine (F) is the ninth element of the periodic table and was first isolated and identified in 1886 by a scientist named Moisson.
text: Fluorine was discovered in the 16th century, but it wasn’t actually isolated until the 19th century by a French chemist named Henri Moissan.
text: Fluorine was first isolated (1886) by the French chemist Henri Moissan.
text: Then he passed an electric current through a solution of potassium fluoride in hydrofluoric acid and achieved his goal--fluorine was finally isolated.
text: Although it was known since the 16th century, it wasn't until 1866 that fluorine was first isolated.