From the following which is the false statement for the long form of the periodic table?
A
it reflects the sequence of filling the electrons in the order of sub-energy level s, p, d and f
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B
it helps to predict the stable valency states of the elements
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C
it reflects trends in physical and chemical properties of the elements
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D
it helps to predict the relative ionic nature of the bond between any two elements.
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Solution
The correct option is A it reflects the sequence of filling the electrons in the order of sub-energy level s, p, d and f The sequence of filling the electrons in order of sub-energy levels is determined --by using Afbau's principle only not by the long form of -periodic table.