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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The statement that is true for the long form of the Periodic Table is

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Correct option: C

If reflects trends in physical and chemical properties of the elements

Option D (All of the above) is correct because the long form of the periodic table reflects electron filling order, predicts valency, and shows property trends.

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The compounds of the s-block elements, with the exception of lithium and ...

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... are predominantly ionic. Here,

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refers to Among the following elements, the most electronegative is: The pair of amphoteric hydroxides is The element with atomic number 117 if discovered would be placed in The correct order of size among

\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

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\mathrm{F}^{-}

is: The electronic configuration of four elements are given below. Which elements does not belong to the same family as others?