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Periodic Table

Get chapter-wise JEE Main & Advanced questions with solutions

Q _JEE MAIN_2021
The CORRECT order of first ionisation enthalpy is :
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Q JEE MAIN 2021
The correct order of following 3d metal oxides, according to their oxidation numbers is :
(a) $\mathrm{CrO}_3$ (b) $\mathrm{Fe}_2 \mathrm{O}_3$ (c) $\mathrm{MnO}_2$ (d) $...
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Q JEE MAIN 2021
Which one of the following statements for D.I. Mendeleeff, is incorrect?
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Q JEE MAIN 2021
The ionic radii of $\mathrm{K}^{+}, \mathrm{Na}^{+}, \mathrm{Al}^{3+}$ and $\mathrm{Mg2}^{+}$are in the order :
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Q JEE MAIN 2021
Outermost electronic configuration of a group 13 element, E , is $4 \mathrm{~s}^2, 4 \mathrm{p}^1$. The electronic configuration of an element of p-block period-five placed...
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Q JEE MAIN 2019
The IUPAC symbol for the element with atomic number 119 would be :
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Q JEE-MAIN 2021
The common positive oxidation states for an element with atomic number 24, are :
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Q JEE MAIN 2021
The first ionization energy of magnesium is smaller as compared to that of elements X and Y, but higher than that of Z. the elements...
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Q JEE-MAIN 2921
The set of elements that differ in mutual relationship from those of the other sets is :
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Q JEE Main 2019
Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in +1 and +3 oxidation states. This is due to
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