Usually if there is a black note a half step up we would say “oh it’s E#” but because there is not black note the next note we see is F.
If this helps
A dominant chord is a major triad built on the fifth scale degree of either a major scale or a minor scale. Major triads consist of a root note, a major third, and a perfect fifth. ... A simple D major triad contains the notes D, F♯, and A. This chord becomes a dominant seventh chord (V7) by adding the note C.
Can you please take a better picture?
i can barely see it.
Well it depends on how well you take care of it, they don't really have a certin amount of times that you can use it un'till you have to get rid of it
