Answer:
The answer to your question is: c) Fluorine
Step-by-step explanation:
Fluorine is the most reactive nonmetal its electronegativity is 3.98 which is the highest of all elements.
Chlorine is a reactive nonmetal but is not the most reactive.
Carbon is not as reactive as Fluorine or Chlorine
Hydrone is the lest reactive of the nonmetals listed here.