11 grade chemistry others
The law of octaves was proposed by:A. NewlandsB. DobereinerC. LavoisierD. Mendeleev
The law of octaves was proposed by:A. NewlandsB. DobereinerC. LavoisierD. Mendeleev
1 Answer
Askiitians Tutor Team
The correct answer is A. Newlands.
Explanation:
The Law of Octaves was proposed by John Newlands in 1864. He observed that when elements were arranged in increasing order of atomic masses, every eighth element showed properties similar to the first one, much like the octaves in music. This repetition of properties at regular intervals was termed the "Law of Octaves."
However, Newlands' law was only applicable to lighter elements and failed when heavier elements were discovered later. This limitation led to the development of better classification systems, such as Mendeleev's periodic table.
B. Dobereiner proposed the Law of Triads.
C. Lavoisier is known for his role in defining the concept of elements and compounds.
D. Mendeleev created the periodic table based on atomic masses and left spaces for undiscovered elements.
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