Question

5. What are the limitations of the Newlands' law of octaves?
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Answer 1

Answer:

IDK

Explanation:

I don't know so i don’t know this answer

Answer 2

Answer:

1. it was only applicable till calcium. After it every eighth element did not possessed the properties of the first.
2. elements that resembled similar properties were placed apart. for eg. iron and nickel.
3. at that time only 56 elements were discovered. so he thought that there were only that many elements in nature and no other elements will discovered in future. but when several elements were discovered, he tried to place two elements in single slot. for eg, cobalt and nickel