Assertion: iodine's form | /r/CapableOf | achieve rhenium tetraiodide
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Source sentences:
text: Furthermore, iodination of metals tends to result in lower oxidation states than chlorination or bromination; for example, rhenium metal reacts with chlorine to form rhenium hexachloride, but with bromine it forms only rhenium pentabromide and iodine can achieve only rhenium tetraiodide.