diatonic

• A diatonic scale is a type of music scale with


  seven notes 

  
• a diatonic scale is also known as a

  heptatonic scale

  
• Diatonic scales must have two half step intervals which are

  semitones

  
• diatonic scales must also have

  five whole step intervals within one octave

  
• The two half step intervals should be separated by

  two and three whole steps.

  
• diatonic scales use all


  seven pitch letter names in sequence without skipping any.

  
• diatonic scale has to contain two half steps and five whole steps, with the half steps being separated by three whole steps.