Zitat

Geschichte

  • system Erstellt 3 Jahre, 5 Monate her

    We should still expect to discover many unknown simple bodies; for example, those similar to aluminum and silicon, elements with atomic weights of 65 to 75.

    —  Dmitri Mendeleev

  • system updated 1 Jahr, 12 Monate her

    We should still expect to discover many unknown simple bodies; for example, those similar to aluminum and silicon, elements with atomic weights of 65 to 75.

    —  Dmitri Mendeleev

    An Outline of the System of the Elements

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