In my textbook (Chemistry Part - I for Class XI published by NCERT), there is an equation for the energy of an electron in an energy state: $$E_n = -R_\mathrm H\left(\frac{1}{n^2}\right)$$ and there is a paragraph below it with the following text: where $R_\mathrm H$ is called Rydberg constan...

The current interest in the "homework" vote-to-close option and related matters leads me to wonder how the internals of this site work. Compare facebook, which despite a huge user base edits policies rather frequently, and often in dramatic ways. By contrast, at chem SE changing the name of one V...