A good negative is one that allows you to re-interpret the image in the darkroom, or put simply print it any way you want.

In this case from your description &b scans it's just under developed. As David says intensify in strong Selenium toner, there are more conventional ways in books but this work very well

You need to read up on the Zone System & speed tests etc Steve Simmonds has very good article in the free download section of the View Camera website.