Chemistry · Periodic Classification of Elements
In 1866, who discovered that when elements are arranged in the order of increasing atomic masses, the physical and chemical properties of every eighth element are a repetition of the properties of the first element (Law of Octaves)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1John Newlands✓
- 2Johann Wolfgang Döbereiner
- 3Lothar Meyer
- 4Dmitri Mendeleev
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John Newlands
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