Calculate the kinetic energy (in eV) of the electron in the third orbit ( ) of a He…

CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

Calculate the kinetic energy (in eV) of the electron in the third orbit (

n = 3

) of a He

^{+}

ion (

Z = 2

). (a)

12.1\ \text{eV}

(b)

18.1\ \text{eV}

(c)

6.0\ \text{eV}

(d)

3.0\ \text{eV}