Question

write down the two drawbacks of newland's law of octaves.​

Answer 1

• Newland found that every eighth element had properties similar to that of the first. He compared these to the octaves found in music. Therefore, he called it is the ‘ Law of Octaves’. It is known as ‘ Newlands'law of octaves

• → Law of Octaves only applicable upto calcium and after calcium every 8th did not possess properties similar to that of the first.
• At the time of Newlands' only 56 elements were existed in nature and Newlands'assume that no more elements will be discovered the future.

• → But, later on , several new elements were discovered, whose properties did not fit into the law of octaves.

• → One important demerit of Newlands' law that he adjusted two elements in the same slot such as Cobalt and nickel [ Co and Ni ] .

• → With the discovery of noble gases the law of octaves become irrelevant.

hope it helps you !!!!

mark as brainlist