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Class 12 NEET Chemistry D And F Block Elements Questions

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Question : 45

Total: 108

Sc(Z=21) is a transition element but Zn (Z=30) is not because

(Karnataka NEET 2013)

both Sc3+ and Zn2+ ions are colourless and form white compounds.
in case of Sc,3d orbitals are partially filled but in Zn these are filled.
last electron is assumed to be added to 4s level in case of Zn.
both Sc and Zn do not exhibit variable oxidation states.

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