<p>Answer the following questions on the basis of the figure given below:</p>

<p><img alt="" src="https://school.achievam.com/upload/questionbank/question/que_1759731842.png" style="height:120px; width:206px" /></p>

<p>(i) Which element in 3d series has lowest enthalpy of atomisation?</p>

<p>(ii) Why do metals of the second and third series have greater enthalpies of atomisation?</p>

<p>(iii) Why are enthalpies of atomisation of transition metals quite high?</p>