Clasificación F- 1 punto Catión Anión Neutro Ninguno

Step 1 ：We need to determine the classification of F- (fluoride ion) based on the given options: cation, anion, neutral, or none.

Step 2 ：F- has a negative charge, which means it is an ion. We need to determine if it is a cation or an anion.

Step 3 ：\(\boxed{\text{Anión}}\)