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Periodic Table

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
The element having greatest difference between its first and second ionization energies, is
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Q JEE MAIN 2019
When the first electron gain enthalpy $\left(\Delta_{\mathrm{eg}} \mathrm{H}\right)$ of oxygen is $-141 \mathrm{~kJ} / \mathrm{mol}$, its second electron gain enthalpy is
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Q JEE MAIN 2019
When the first electron gain enthalpy $\left(\Delta_{e 0} \mathrm{H}\right)$ of oxygen is $-141 \mathrm{~kJ} / \mathrm{mol}$, its second electron gain enthalpy is
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Q JEE MAIN 2020
The set that contains atomic numbers of only transition elements, is
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Q JEE MAIN 2020
The atomic number of Unnilunium is _______.
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Q JEE MAIN 2020
B has a smaller first ionization enthalpy than Be. Consider the following statements.
(I) It is easier to remove 2p electron than 2s electron...
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Q JEE MAIN 2019
The element that usually does NOT show variable oxidation states is
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Q JEE MAIN 2019
The correct order of the atomic radii of C, Cs, Al, and S is
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Q JEE MAIN 2020
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively, are
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Q JEE MAIN 2020
The ionic radii of $\mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{Na}^{+}$and $\mathrm{Mg}^{2+}$ are in the order
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