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Ionization Enthalpy

Among the ele...

Question

Among the elements $S i, P, S$ , and $C l$ . ____has the highest ionization energy.

S i

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S

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P

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C l

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Solution

The correct option is D $C l$
The ionization energy of elements keeps increasing towards the right along a period due to the increase in nuclear charge.

Thus the IE of Cl has the highest value among the given the options as it belongs to group 17.

Hence, the correct option is $D$

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