C♯ major and A♯ minor both have seven sharps.
The major scale with 2 sharps is D major, they are F and C sharp.
C major has no sharps or flats.
A major
The three sharps in A major are F, C, and G.
C♯ major and A♯ minor both have seven sharps.
The major scale with 2 sharps is D major, they are F and C sharp.
Yes, C flat major scale has 7 flats and the enharmonic key - B major has 5 sharps.
There are no sharps or flats in C Major.
C major has no sharps or flats.
A major
The three sharps in A major are F, C, and G.
The major scale with five sharps is B major. The five sharps, in written order, according to the key signature, are F#, C#, G#, D#, A#.
A scale can only have up to 7 sharps (or flats) because there are only 7 different notes in a scale.
The B major scale has 5 sharps: F#, C#, G#, D#, A#.
The D major scale has F# and C#.
C major and A minor both have no sharps or flats.