 It is Lewis acidic and readily accepts fluoride ions to form the complex anions SbF − 
 It <a href='drop_aux' title='1'><mark>is</mark></a>Lewis acidic and readily <a href='uninflect' title='2'><mark>accepts</mark></a> fluoride ions to form the complex anions SbF − 
It Lewis acidic and readily accept fluoride ions to form the complex anions SbF −