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  • The first ionization energy of magnesium is smaller as compared to that of elements x and Y, but higher than that of Z. The element X, Y and Z respectively:Option: 1 argon, chlorine and sodiumOption: 2 neon, sodium and chlorine<br/

The first ionization energy of magnesium is smaller as compared to that of elements x and Y, but higher than that of Z. The element X, Y and Z respectively:
Option: 1 argon, chlorine and sodium
Option: 2 neon, sodium and chlorine
Option: 3 chlorine, lithium and sodium
Option: 4 argon, lithium and sodium

Answers (1)

best_answer

The 1st IE order of 3rd period is

Li< Na < Al < Mg < Si < S < P < Cl < Ar 

X & Y are Ar & Cl

Z is sodium (Na).

Therefore, the Correct option is (1)

Posted by

Kuldeep Maurya

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