Question

Meriets of Newland law of octaves


Dermites of Newland law of octaves


Two or three points of each


Plz fast

Answer 1

Merits of new land law of octaves :
1. The system was quite well for the lighter elements for example Lithium Sodium and potassium will brought together.

2. It relates the properties of elements to the atomic masses.

3.For the first time it was shown that there is a distinct periodicity in the properties of elements.

Demerits :
1. This classification did not work with heavier elements those lying beyond Calcium.
2.New land existed two elements Cobalt and Nickel in the same slot and these were placed in the same column as fluorine chlorine and bromine which have very different properties than these elements.

Answer 2

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Advantage of Newland's law of octaves:-

•This law provided a basis for the classification of element into groups of elements having similar properties.
•This law provided a wider scope to arrange all known elements into a tabular form.

Disadvantages of Newlands's law of octaves:-
•In order to fit elements into law of octaves Newlands not only adjusted two elements in the same slot but also adjusted some unlike elements under the same note.
•Cobalt and nickel are in the same slot and are positioned in the same column with fluorine, chlorine and bromine possessing different properties than these elements.

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