A cover letter is a letter you write to introduce yourself to a particular hiring manager.(which may include even more-so personal details then what is typically seen in a resume)
However a resume is often used for every job you apply to, typically it contains all the general data regarding your experience in the working class and data that is required to be hired.
Valence electrons can quickly be determined by looking at the group a element is in.
For example all elements in group 1 have 1 valence electron
So D is the correct answer
Benjamin Franklin I’m pretty sure since it’s repetitive