The statement that is false regarding the long form of the periodic table is

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It helps to predict the stable valency states of the elements by observing the group.

It helps to predict the relative ionic character between a bond of two elements.

It reflects the sequence of filling of the electrons in the order of sub-energy levels s, p, d and f.

It reflects trends in physical and chemical properties of the elements.

answer is A.

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Detailed Solution

The electronic structure and properties of an atom change by increasing the number of electrons because valence electrons differs, thereby physical and chemical properties
The number of electrons increase by the same number as the increase in atomic number.
So long form of periodic table is able to satisfy the above given options except D, as it is not able to predict the stable valency state.

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