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磷是一种化学元素，它的化学符号是P，它的原子序数是15。

Floor 1 魔法绿骑士 12/24/11 12:11
磷是一种易起化学反应的、有毒的氮族非金属元素。它的化学反应活性和毒性取决于形态不同而有所区别。 磷化氢燃烧的火叫鬼火。

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