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What are d-block and f-block elements? |
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Answer» Solution :In a PERIODIC table, the elements PERSENT in GROUP 3.12 in which the d-orbitals are progressibely filled in each of the four long periods are CALLED d-block elements. These elements are referred as transition elements The elements in which the 4f and 5f-orbitals are successively filled are called f-block elements. The f-block elements are placed seperately at the bottom of the periodic table. These elements are referred as INNER transition elements. |
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