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Read the following statements: (I) Atomic size of following pair are almost same Fe, Co, Al,Ga , Zr, Hf (II) E.A. order of Li, Be,B,C,N,O is Be lt N lt B lt Li lt C lt O (III) Ionisation energy of Al lt Ga & Zr lt Hf (IV) Ionic radius O^(-2) lt F^(-) lt Na^(+) lt Mg^(+2) Select the correct statements(s) |
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Answer» I, III, IV |
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