In a minor chord there are three semitones placed ,
1.Between the 2nd and 3rd note.
2.Between the 5th and 6th note.
3.Between the 7th and 8th note.
This is the only differance.The placing of the semitones and the ammount of them.I leave the rest to you to get familiar by ear by messing around with this one as I told you to with the major scale.