| 11. | They first made white phosphorus in 1844 but this was volatile.
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| 12. | The toxicity of white phosphorus led to discontinuation of its use in matches.
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| 13. | Owing to its pyrophoricity, white phosphorus is used as an additive in napalm.
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| 14. | White phosphorus forms molecular crystals composed of tetrahedral P 4 molecules.
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| 15. | White phosphorus smoke is typically very hot and may cause burns on contact.
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| 16. | White phosphorus is normally used to produce smoke, to camouflage movement.
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| 17. | :Willy Pete takes his name from the military jargon term for white phosphorus.
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| 18. | Black phosphorus is obtained by heating white phosphorus under high pressures ( about ).
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| 19. | It had a SDU-29 / B white phosphorus target marker.
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| 20. | Hamburg suffered more than 50, 000 killed, many of them victims of white phosphorus.
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