7.
b flat
e flat
a flat
d flat
g flat
c flat
f flat
Such a key only exists in theory. C major has zero flats. C-flat major has 7 flats. C-double-flat major would have 14 flats.
Cb major has all 7 flats
7
It depends on which key you are referring to, all the keys with flats are: F major (1 flat) B-flat major (2 flats) E-flat major (3 flats) A-flat major (4 flats) D-flat major (5 flats) G-flat major (6 flats) C-flat major (7 flats) Likewise the relative minors are: D minor (1 flat) G minor (2 flats) C minor (3 flats) F minor (4 flats) B-flat minor (5 flats) E-flat minor (6 flats) A-flat minor (7 flats)
E flat
C major: no sharps, no flats F major: no sharps, B flat Bb (B flat) major: no sharps, B and E flat Eb major: no sharps; B, E, and A flat Ab major: no sharps; B, E, A, and D flat Db major: no sharps; B, E, A, D, and G flat Gb major/F# (F sharp) major: no sharps; B, E, A, D, G, and C flat / F, C, G, D, A, and E sharp; no flats B major: F, C, G, D, and A sharp; no flats E major: F, C, G, and D sharp; no flats A major: F, C, and G sharp; no flats D major: F and C sharp, no flats G major: F sharp, no flats
7. b flat e flat a flat d flat g flat c flat f flat
Yes, C flat major scale has 7 flats and the enharmonic key - B major has 5 sharps.
D flat major, or b flat minor. The flats are B, E, A, D and G, in that order.
It has 7 flats. B flat E Flat A Flat D Flat G Flat C Flat F Flat
For c major there are no sharps, for b flat major there are two flats, b flat and e flat
There are no flats in b-minor. B major has two flats, both B-flat and A-flat, but b-flat minor is the relative minor of D-major, which has a sharp key signature. The sharps in b-minor are F-sharp and C-sharp.