Assertion: phosphorus | /r/HasProperty | kcalper mole of p
Facets:
Source sentences:
text: The α modification occurs as crystals of the cubic system (a = 18.5 angstroms [Å]); it has a density of 1.828 g/cm3, a melting point of 44.1 °C, a boiling point of 280.5°C, and a heat of fusion of 2.5 kilojoules (kJ) per mole of P 4 (0.6 kilocalorie [kcal] per mole of P 4 ).
text: The α modification occurs as crystals of the cubic system (a = 18.5 angstroms [Å]); it has a density of 1.828 g/cm3, a melting point of 44.1 °C, a boiling point of 280.5°C, and a heat of fusion of 2.5 kilojoules (kJ) per mole of P 4 (0.6 kilocalorie [kcal] per mole of P 4 ).