Chemistry

Problem

An electron in the

\mathrm{He}^+

ion (

Z=2

) jumps from the third Bohr orbit to the second. The wavelength of the emitted photon is closest to a)

3.28\times10^{-7}\,\text{m}

1.64\times10^{-7}\,\text{m}

2.62\times10^{-7}\,\text{m}

4.86\times10^{-7}\,\text{m}