How could the Modern Periodic Table remove various anomalies of Mendeleev's Periodic Table?
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The anomalies of Mendeleev.s Periodic Table removed and rearranged in modern periodic table are as follows. (a) number in Modem Periodic Table, thus there was no need for keeping more than one element in one slot (b) In Modern Periodic Table, there was ho problem of the place of isotopes, as isotopes have the satne atmnic mass with different atomic numbers. (c) Elements having same valence electron are kept in the same group. (d) Elements having the same number of shells were put under the same period. (e) Position of hydrogen became clear as it is kept in the group with the elements of the same valence electrons.
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