Q.

he first ionization energy of magnesium is smaller as compared to that of elements X and Y. but higher than that of Z. the elements X, Y and Z, respectively. are

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a

Chlorine, lithium and sodium

b

Argon, lithium and sodium

c

Argon. chlorine and sodium

d

Neon, sodium and chlorine

answer is C.

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Detailed Solution

The 1st IE order of 3rd period isNa
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