Phosphorus in Science,Chemistry,Periodic Table | lexolino.com
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Phosphorus

  

Phosphorus


General
Name, symbol, atomic number Phosphorus, P, 15
series nonmetals
group, period, block 15, 3, p
Look white-beige (W)
dark red (R)
Black (S)
CAS number 7723-14-0
Mass fraction of the Earth's shell 0.09%
Atomic
atomic mass 30.97376 &
atomic radius (calculated) 100 (98) pm
covalent radius 106pm
Van der Waals radius 180pm
electron configuration [No] 3s 2 3p 3
Electrons per energy level 2, 8, 5
1. Ionization Energy 1011.8kJ/mol
2. Ionization Energy 1907 kJ/mol
3. Ionization Energy 2914.1 kJ/mol
4. Ionization Energy 4963.6 kJ/mol
5. Ionization Energy 6273.9 kJ/mol
Physically
physical state fixed
modifications 6
crystal structure monoclinic
density W: 1.877 g/cm 3
R: 2.340 g/cm 3
S: 2.67 g/cm 3
magnetism non-magnetic
melting point 317.3K (44.2°C)
boiling point 550K (277°C)
molar volume 17.02 x 10 -6 m 3 /mol
heat of vaporization 12.129kJ/mol
heat of fusion 0.657kJ/mol
vapor pressure 20.8 Pa at 294K
Specific heat capacity 769 J/(kg K) at 298 K
Electric conductivity W: 0 R: 0 S: 1.0 x 10 -9 s/m
thermal conductivity 0.235W/(m·K)
chemical
oxidation states ±3, 4, 5
oxides (basicity) P 2 O 5 (slightly sour)
normal potential
electronegativity 2.19 (Pauling scale)
isotopes
isotope NH t 1/2 ZM ZE MeV ZP
28 P {syn.} 270.3ms e 14,332 28 si
29 P {syn.} 4.14s e 4,943 29 si
30 P {syn.} 2.49 mins e 4,232 30 si
31 P 100 % Stable
32 P {syn.} 14.26d ß- 1,711 32 S
33 P {syn.} 25.34d ß- 0.249 33 S
34 P {syn.} 12.43s ß- 5,374 34 S
35 P {syn.} 47.3s ß- 3,989 35 S
The above information does not claim to be complete or correct.

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