Assertion: germanium's compound | /r/HasProperty | rubidium
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Source sentences:
text: The potassium (potassium germyl KGeH 3 ) and rubidium compounds (rubidium germyl RbGeH 3 ) have the sodium chloride structure implying a free rotation of the GeH 3 − anion, the caesium compound, CsGeH 3 in contrast has the distorted sodium chloride structure of TlI.