Phosphorus
Uses, & Facts
phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that glows in the dark.
| atomic number | 15 |
|---|---|
| atomic weight | 30.9738 |
| melting point (white) | 44.1 °C (111.4 °F) |
| boiling point (white) | 280 °C (536 °F) |
| density (white) | 1.82 gram/cm3 at 20 °C (68 °F) |
| oxidation states | −3, +3, +5 |
| electron configuration | 1s22s22p63s23p3 |
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