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  2. White phosphorus - Wikipedia

    en.wikipedia.org/wiki/White_phosphorus

    Melting point: 44.1 °C; 111.4 °F; 317.3 K Boiling point: ... White phosphorus, yellow phosphorus, or simply tetraphosphorus (P 4) is an allotrope of phosphorus.

  3. Allotropes of phosphorus - Wikipedia

    en.wikipedia.org/wiki/Allotropes_of_phosphorus

    Melting point: 44.1 °C; 111.4 °F; 317.3 K ... White phosphorus, ... Black phosphorus is the thermodynamically stable form of phosphorus at room temperature and ...

  4. Phosphorus - Wikipedia

    en.wikipedia.org/wiki/Phosphorus

    Melting point: white: 317.3 ... 4 tetrahedron is also present in liquid and gaseous phosphorus up to the temperature of 800 °C (1,500 °F; 1,100 K) ...

  5. What is white phosphorus — and why is it so controversial ...

    www.aol.com/white-phosphorus-why-controversial...

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  6. Melting points of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Melting_points_of_the...

    15 P phosphorus (white) use: 317.30 K: 44.15 °C: ... melting point 302.9146 K ... Triple point temperature values (marked "tp") are not valid at standard pressure ...

  7. Pnictogen - Wikipedia

    en.wikipedia.org/wiki/Pnictogen

    Nitrogen's melting point is −210 °C and its boiling point is −196 °C. Phosphorus has a melting point of 44 °C and a boiling point of 280 °C. Arsenic is one of only two elements to sublimate at standard pressure; it does this at 603 °C. Antimony's melting point is 631 °C and its boiling point is 1587 °C. Bismuth's melting point is 271 ...

  8. Pentagon has recommended giving white phosphorus shells to ...

    www.aol.com/news/pentagon-recommended-giving...

    White phosphorus is a waxy substance that ignites instantly when exposed to oxygen. It burns at a very high temperature and is hard to extinguish. The substance sticks to surfaces — especially ...

  9. Molecular solid - Wikipedia

    en.wikipedia.org/wiki/Molecular_solid

    When it is converted to the covalent red phosphorus, the density goes to 2.2–2.4 g/cm 3 and melting point to 590 °C, and when white phosphorus is transformed into the (also covalent) black phosphorus, the density becomes 2.69–3.8 g/cm 3 and melting temperature ~200 °C. Both red and black phosphorus forms are significantly harder than ...