Who is mendeleev and octave ?
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Dmitri Mendeleev, a Russian chemist, published a periodic table in 1869, just five years after John Newlands proposed his Law of Octaves. Mendeleev also arranged the elements known at the time in order of relative atomic mass
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Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He is best known for formulating the Periodic Law and creating a farsighted version of the periodic table of elements.
Octave, in music, an interval whose higher note has a sound-wave frequency of vibration twice that of its lower note.
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