Mendeleev predicted a density of 5.5 g/cm³ for eka-silicon. Germanium turned out to have 5.32 g/cm³. By what percentage of the true value was he off?

ChemistryHardHigh School (9–10)GeneralThe Periodic Table › Development of the Periodic Table

Mendeleev predicted a density of $5.5\ \text{g/cm}^3$ for eka-silicon. Germanium turned out to have $5.32\ \text{g/cm}^3$ . By what percentage of the true value was he off?

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