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periodic law.
B. Answer the following questions briefly and concisely.
1. What is the law of octaves? Explain.
2. How was the arrangement of periodic table developed?​

Sagot :

Answer:

1. Law of octaves, in chemistry, the generalization made by the English chemist J.A.R. ... Newlands in 1865 that, if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements.

2.British chemist John Newlands was the first to arrange the elements into a periodic table with increasing order of atomic masses. He found that every eight elements had similar properties and called this the law of octaves. He arranged the elements in eight groups but left no gaps for undiscovered elements.

Explanation:

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