17 JEE Main 2022 Classification of Elements and Periodicity in Properties previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2022 previous-year questions from the Classification of Elements and Periodicity in Properties chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Classification of Elements and Periodicity in Properties chapter hub.
Which of the following is a metalloid?
The first ionization enthalpy of Na , Mg and Si , respectively, are: 496 , 737 and 786   kJ mo 1 - 1 . The first i…
The incorrect statement is
Outermost electronic configurations of four elements A , B , C , D are given below: (A) 3   s 2 (B) 3 s 2 3 p 1 (C…
The correct order of ionic size of N 3 - , Na + , F - , Mg 2 + and O 2 - is :
Metals generally melt at very high temperatures, Among the following which one has the highest melting point?
Element " E " belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of t…
What is the correct oder of electron gain enthalpy of Cl ,   F ,   Te ,   Po
The metal that has very low melting point and its periodic position is closer to a metalloid is
The IUPAC nomenclature of an element with electronic configuration Rn 5 f 14 6 d 1 7 s 2 is
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