Answer:

ALKENE

Answer	Crossword Clue
ALKENE	Part of a carbon chemical chain
ALKENE	Ethylene, e.g.
ALKENE	Hydrocarbon with one double bond

ALKENE	Ethylene, for one
ALKENE	C4H8, e.g.
ALKENE	Certain hydrocarbon
ALKENE	C2H4, e.g.
ALKENE	Compound also called an olefin
ALKENE	Ethylene or propylene
ALKENE	Olefin
ALKENE	Open chain hydrocarbon

ALKENE	Compound with a carbon double bond
ALKENE	Unsaturated hydrocarbon