Carbon.
Carbon (symbol C) is in all organic compounds
All organic compounds must contain the element carbon.
Carbon is a common element found in all organic compounds.
Organic compounds contain the element CARBON (C).
All organic compounds feature the element carbon.
Every organic molecule contains carbon atoms.
Carbon
Carbon
carbon and hydrogen
AnswerThe key element is carbon. Organic compounds are all carbon-containing compounds.
Carbon
Carbon is the basic element.