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Phosphorus at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page


Basic Information


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
Classification: Non-metal
Crystal Structure: Monoclinic
Density @ 293 K: 1.82 g/cm3
Color: white


Atomic Structure

[Bohr Model of Phosphorus]  
Number of Energy Levels: 3

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 5

Isotopes

Isotope Half Life
P-31Stable
P-3214.28 days
P-3324.3 days

Facts


Date of Discovery: 1669
Discoverer: Hennig Brand
Name Origin: From the Greek words phs (light) and phoros (bearer)
Uses: fertilizers, detergents
Obtained From: phosphate rock

Related Links

Note: The external links below are not a part of this site and their content is not the responsibility of this site
  1. Healthworld Online - Phosphorus
    • Contains an "Introduction to Tungsten", among other things
If you know of any other links for Phosphorus, please let me know

MLA Format for Citing This Page


Bentor, Yinon. Chemical Element.com - Phosphorus. <http://www.chemicalelements.com/elements/p.html>.

For more information about citing online sources, please visit the MLA's Website.

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