Use not to make a word or phrase or clause negative.
Use no with a noun to mean not any.
Use nor to follow not or no, especially after a comma or to start a new sentence.
Use none to mean not a single one.
2. Negation.
Negate
    the sentences. 
For example:
    All
    airplanes are totally safe.
      I'm
      sorry. No airplanes are totally safe. 
For more information about negation see the Grammar Reference.