Why is [math]mathrm{Cr}^{6+}[/math] (hexavalent chromium) more toxic than [math]mathrm{Cr}^{3+}[/math] (trivalent chromium)?
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Why is [math]mathrm{Cr}^{6+}[/math] (hexavalent chromium) more toxic than [math]mathrm{Cr}^{3+}[/math] (trivalent chromium)?
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