A minor chord
A minor uses the same three white keys as C major but treats A as the root.
The keyboard
Build A minor yourself on the virtual keyboard: select exactly the notes A – C – E. If your selection is correct, the page confirms the chord. Use “Reset” to start over and “Show solution” to see the reference again.
Structure
Chord symbol: Am · Notes: A – C – E
A minor consists of A, C and E. A to C is a minor third, and C to E is a major third. A minor and C major use the same three notes, but their different roots give the triads different structures and functions.