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Modern peroidic table helps classify elements according to their similarities.Consider the columns mentioning certain details about elements with comments on their important features. Answer the question that follow : Which of the following combinations is correct for Chromium but not for Zinc ?

Answer»

(II)(ii)(Q)
(III)(IV)(S)
(IV)(iii)(R)
(IV)(ii)(P)

Solution :Cr, Zn : 3d SERIES Zn is not a transmition metal both are less EN than H and FORM amphoteric AMIDE


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