The energy associated with first orbit of $\mathrm{He}^{+}$ is

The number of protons, neutrons and electrons in the ion $${ }_{16}^{32} \mathrm{~S}^{2-}$$ respectively are

If wavelength of photon is $$2.2 \times 10^{-11} \mathrm{~m}$$ and $$h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$$, then momentum of photon

The number of angular and radial nodes in $$3 p$$ orbital respectively are