Two important allotropes of phosphorus are white phosphorus and red phosphorus.White phosphorus,P4,has a melting point of 44.1 °C and spontaneously reacts with oxygen.Red phosphorus,a network solid,melts at 280 °C and is stable in air.Use your knowledge of intermolecular and intramolecular bonding to explain why these two forms of the same element have such different properties.
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