Identify the wrong statement for long form of periodic table.
A
It reflects the sequence of filling the electrons in the order of energy levels K, L, M, N
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B
It helps to predict the stable valence 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 ionicity of the bond between any two elements
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Solution
The correct option is C It helps to predict the stable valence states of the elements Each group of the long form of periodic table signifies same outer shell electronic configuration i.e. a same number of valence electrons and not the stable valence state of elements.