Calculate the radius of the third orbit ( ) of the lithium ion ( )

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

Problem

Calculate the radius of the third orbit (

n=3

) of the lithium ion

\text{Li}^{2+}

(

Z=3

). Take the Bohr radius

a_0 = 0.529\,\text{Å}

. (a)

2.381\,\text{\AA}

(b)

4.761\,\text{\AA}

(c)

1.587\,\text{\AA}

(d)

0.705\,\text{\AA}