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Periodic Table

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
The first ionization enthalpies of Be, B, N and O follow the order
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Q JEE MAIN 2022
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical ?
(A) Rb and Cs
(B) Na...
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Q JEE MAIN 2022
Outermost electronic configurations of four elements A, B, C, D are given below:
(A) $3 \mathrm{~s}^2$ (B) $3 s^2 3 P^1$ (C) $...
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Q JEE MAIN 2022
The first ionization enthalpy of $\mathrm{Na}, \mathrm{Mg}$ and Si, respectively, are: 496,737 and $786 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The first ionization enthalpy $\left(\mathrm{kJ} \mathrm{mol}^{-1}\right)$ of AI is:
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Q JEE-Main 2022
The IUPAC nomenclature of an element with electronic configuration $[\mathrm{Rn}] 5 \mathrm{f}^{14} 6 \mathrm{~d}^1 7 \mathrm{~s}^2$ is:
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Q JEE MAIN 2022
Consider the species $\mathrm{CH}_4, \mathrm{NH}_4^{+}$and $\mathrm{BH}_4^{-}$. Choose the correct option with respect to the there species:
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Q JEE MAIN 2022
The correct order of increasing ionic radii is
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Q JEE MAIN 2022
The correct order of electron gain enthalpies of Cl, F, Te and Po is
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Q JEE MAIN 2022
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason(R)
Assertion (A): The ionic radii of $\mathrm{O}^{2-}$...
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Q JEE MAIN 2022
Element "E" belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of the element, which is just...
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