15 · P
Phosphorus
Obtained by Brand in Hamburg in 1669.
Identity
- Atomic number
- 15
- Symbol
- P
- Canonical name
- Phosphorus
- Category
- nonmetal
- Group
- 15
- Period
- 3
- Block
- p
Properties
These quantities come from the Periodic Table JSON compilation. They have not yet been checked, one by one, against CIAAW atomic weights or NIST measurements. A value marked estimated is not a measurement.
- Atomic mass
- 30.973762 u
- Electron configuration
- [Ne] 3s2 3p3
- Electrons per shell
- 2, 8, 5
- Standard state
- solid
- Density
- 1.823 g/cm³
- Electronegativity
- 2.19 Pauling
- First ionization energy
- 1,011.8 kJ/mol
- Electron affinity
- 72.037 kJ/mol
Notable isotopes
This summary is not an inventory of every isotope.
- P-31 · 100 % · stable
History
White phosphorus
Discovery · confirmed · 1669
Brand obtains white phosphorus in Hamburg by distilling urine. This is the first element whose discovery is dated to a laboratory year.
Etymology
- Theme
- property
- Language
- grec
- Root
- phosphoros
- Meaning
- light-bearer
Scientists
Places and institutions
- Hamburg — historical setting : Free City of Hamburg — present country : Germany
See also
Sources
- IUPAC, Periodic Table of the Elements
- Bowserinator, Periodic Table JSON. Compilation secondaire d’où viennent les grandeurs physiques importées (masse, densité, températures, énergies). Elles ne sont pas revérifiées une à une auprès du NIST ou de la CIAAW.
- John Emsley, Nature’s Building Blocks: An A–Z Guide to the Elements