An electron in the ion ( ) jumps from the third Bohr orbit to the second

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

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}

(b)

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

(c)

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

(d)

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