Chords and riffs

C G F G C is the chords for a song could anyone tell me if from C to G a riff of on the G string ( tab) 0245 then play the G chord then on the A string 3 on the D sting 023 to the F chord then on the G 0245 to the G chord then on the E string 3 and the A string 023.if it sounds right that sequence