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| 1. |
On the basis of quantum numbers justify that the sixth period table should have 32 elements. |
| Answer» SOLUTION :Each period starts with filling of a particular SHELL. The sixth period starts by filling the sixth shell (n = 6). (This corresponds to l = 0,1,2,3,4,5, (s,p,d,f,g,H subsshells) and HENCE there are 36 ORBITALS). As per Aufbau principle, the energy increases in the order 6s 4f 5d and 6p. | |