SELECT * FROM question_mgmt as q WHERE id=3606 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=256 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Periodic Classification of Element what were the limitations of newlands rsquo law o

Question:

What were the limitations of Newlands’ Law of Octaves?

Answer:

Limitations of Newlands’ law of octave are as follow:

(i) This law is only applicable upto the calcium element. Elements after calcium don’t possess the properties similar to that of first.

(ii) He assumed that only 56 elements exist in nature, no more element can be further discovered.

(iii) Newland’s adjusted 2 elements in the same slot to fit the element in the table. Eg. cobalt and nickel are placed in the same slot with columns having fluorine, chlorine and bromine which have completely different properties.


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