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InterviewSolution
| 1. |
Modern periodic table-Merits?Demerits? |
| Answer» merits it provides easier way to remember all the properties of elements by just knowing the position and electronic configuration.it also explains the case of periodicity. demerit position of hydrogen is not cleared it is situated just about the group 1 . lanthanoida and actionoida are not situated in the main group of the periodic table. | |