Is fluorine a metal or non-metal or semi-metal?

Answer:
It is a 'halogen', gas, diatomic element F2, a NON-metal,
in period 1 of the 7th group in the periodic table,

AND VERY REACTIVE AND POISONOUS
First answer by JoppeDeQuint. Last edit by JoppeDeQuint. Contributor trust: 170 [recommend contributor recommended]. Question popularity: 2 [recommend question].