"We must expect the discovery of many as yet unknown elements-for example, elements analogous to aluminum and silicon- whose atomic weight would be between 65 and 75"

- Dmitri Mendeleev

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This quote is written / told by Dmitri Mendeleev between February 8, 1834 and February 2, 1907. He/she was a famous Scientist from Russia. The author also have 17 other quotes. Go to author profile