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newlands octave rule demerits and merits

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Answered by sidhartha99
2
New land's Law of Octaves
Merits:-
I) His periodic table showed us the meaning of periodicity.
II) This helped in better classification of elements.
Demerits:-
I) It was only applicable up-to elements up-to Calcium.
II) He had told that no more elements could be discovered. But later when Nobel gases were discovered these could not be inserted in this periodic table.
III) Most of the different elements were kept in one group.
HOPE THAT HELPS YOU.
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