Assertion: protactinium's melting point | /r/HasProperty | low 29.76 oxide
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Source sentences:
text: 68 69.723 Density (g/cm3) 6.0 5.91 Melting point (°C) Low 29.76 Oxide Formula Ea 2 O 3 Ga 2 O 3 Density 5.5 g