Name: Phosphorus
Symbol: P
Atomic Number: 15
Atomic Mass: 30.97376 amu
Melting Point: 44.1 °C (317.25 °K, 111.38 °F)
Boiling Point: 280.0 °C (553.15 °K, 536.0 °F)
Number of Protons/Electrons: 15
Number of Neutrons: 16
Crystal Structure: Monoclinic
Density @ 293 K: 1.82 g/cm3
Color: white
Atomic Structure
![[Bohr Model of Phosphorus]](b0015.gif) |
Number of Energy Levels: 3 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 5 |
Isotopes
| Isotope | Half Life |
| P-31 | Stable |
| P-32 | 14.28 days |
| P-33 | 24.3 days |
Facts
Date of Discovery: 1669Discoverer: Hennig Brand
Name Origin: From the Greek words phôs (light) and phoros (bearer)
Uses: fertilizers, detergents
Obtained From: phosphate rock
Information provided by: http://www.chemicalelements.com