Phosphorus information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
Phosphorus is a Block P, Group 15, Period 3 element. The electronic
configuration is [Ne] 3s2 3p3.
In its elemental form Phosphorus's CAS number is 7723-14-0. The Phosphorus atom has a radius of
110.5.pm and
it's Van der Waals radius is 180.pm.
Phosphorus was discovered by Hennig Brandt in 1669.
phosphore |
Phosphor |
fosforo |
Fósforo |
fósforo |
Fosfor |
Phosphorus Abundance. The following table shows the abundance of
Phosphorus and each of its naturally occurring isotopes on Earth along with the atomic mass for each isotope.
|
Isotope |
Atomic Mass |
% Abundance on Earth |
P-31 |
30.9737615 |
100 |
Phosphorus Safety Data.
The safety data for Phosphorus metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin.
Ionization Energy. The ionization energy for
Phosphorus (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:
|
1st Ionization Energy |
1011.82 kJ mol-1 |
2nd Ionization Energy |
1907.47 kJ mol-1 |
3rd Ionization Energy |
2914.14 kJ mol-1 |
Conductivity. As to
Phosphorus's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @
20 ºC is 1E+17 µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is
2.19. The thermal conductivity of
Phosphorus is 0.235 W m-1 K-1.
Thermal Properties
of Phosphorus. The melting point and boiling point for
Phosphorus are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
|
Heat of Fusion |
2.51 kJ mol-1 |
Heat of Vaporization |
51.9 kJ mol-1 |
Heat of Atomization |
314 kJ mol-1 |
|