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Question
Sc (Z = 21) is a transition element but Zinc (z = 30) is not because
Options
both Sc3+ and Zn2+ ions are colourless and form white compounds
in case of Sc, 3d orbital are partially filled but in Zn these are completely filled
last electron as assumed to be added to 4s level in case of zinc
both Sc and Zn do not exhibit variable oxidation states
MCQ
Solution
in case of Sc, 3d orbital are partially filled but in Zn these are completely filled
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Position of d- Block Elements in the Periodic Table
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