Following are statements about modern periodic table I) It consists of s, p, d and f blocks II) The energy levels filling order in 6th period is 6s, 4f, 5d and 6p III) IIIB group does not contain maximum number of elements IV) It consists only metals

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Following are statements about modern periodic table

I) It consists of s, p, d and f blocks

II) The energy levels filling order in 6th period is 6s, 4f, 5d and 6p

III) IIIB group does not contain maximum number of elements

IV) It consists only metals

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only (i) & ii correct

only (ii) correct

only (iii) correct

only (iv) is correct

answer is A.

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Detailed Solution

modern p table is based on atomic numbers

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