Assertion: polonium's compound | /r/HasProperty | 2200 °c
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Source sentences:
text: These compounds are stable to at least 1600 °C (the melting point of thulium polonide, TmPo, is 2200 °C), in contrast the ionic polonides (including the lanthanide sesquipolonides Ln 2 Po 3 ) which decompose at around 600 °C.