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[O] [P] [Q]
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Phosphorus 1Definition: The morning star; Phosphor.
Phosphorus 2Definition: A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight Phosphorus 3Definition: Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies. Phosphorus 4Definition: a planet (usually Venus) seen just before sunrise in the eastern sky phosphorus 5Definition: a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
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