Which element from the following has the highest ionisation energy?
(a) P, Na, Cl
(b) F, O, Ne
(c) Ne, He, Ar
explain your choice
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Answer:
B
Explanation:
The elements that belong to the noble gases or inert gases or (Group VIII-A) have the highest ionisation energy. If we were to take a single element then Helium is said to have the highest first ionization energy among all the other neutral elements. The ionization potential is said to be 24.5874 eV.
However, we also need to consider that the inert gases are basically stable or the have a stable octet state. What this means is that the halogens would then showcase the highest ionization energy. We can say that after helium and Neon Fluorine has the highest ionization energy among the halogen elements.
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