Classification of Elements and Periodicity in Properties: JEE Main 2021 Chemistry question

JEE Main 2021 · 16 Mar, Evening shift · Q1609

JEE Main 202116 Mar, Evening shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002

Identify the elements X and Y using the ionisation energy values given below : Ionization energy (kJ/mol) 1

{st}

{nd}

X 495 4563 Y 731 1450

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JEE Main 2021 Classification of Elements and Periodicity in Properties Question with Solution (16 Mar Evening shift, Q1609) | JEE Arc

JEE Main 2021 · 16 Mar, Evening shift · Q1609

JEE Main 202116 Mar, Evening shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002

Identify the elements X and Y using the ionisation energy values given below : Ionization energy (kJ/mol) 1

{st}

{nd}

X 495 4563 Y 731 1450