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On what ground can you say that scandium (Z=21) is a transition element but zinc (Z=30) is not? |
| Answer» Solution :On the basis of INCOMPLETELY filled 3d-orbitals in case of SCANDIUM atom in its ground state `(3d^(1))`, it is regarded as a TRANSITION element. On the other HAND, zinc atom has completely filled d-orbitals `(3d^(10))` in its ground state as well as in its oxidised state, hence it is not regarded as a transition element. | |