Question

Which of the following elements has the largest first ionisation potential (a). Al(z=13). (b). si(z=14). (c). P(z=15). (d). S(z=16)​

Answer 1

Answer:

phosphorus will have maximum first ionisation enthalpy because,

remember short trick :- s1 <p1<s2<p2<p4<p3<p5<p6