■解答
① \(-e\) ② \(\displaystyle\frac{Gm_pm_e}{r^2}\) ③ \(\displaystyle\frac{ke^2}{r^2}\)
④ \(\displaystyle\frac{m_ev^2}{r}\) ⑤ \(\sqrt{\displaystyle\frac{k}{m_er}}e\) ⑥ \(-\displaystyle\frac{ke^2}{r}\)
⑦ \(\displaystyle\frac{ke^2}{2r}\) ⑧ \(2\pi r\) ⑨ \(\displaystyle\frac{h}{m_ev}\)
⑩ \(\displaystyle\frac{nh}{2\pi m_e r}\) ⑪ \(\displaystyle\frac{n^2h^2}{4\pi^2ke^2m_e}\) ⑫ ア
