Astronomy   View all facts   Glossary   Help

physical object > natural object > particle > element > column grouped element > group V element > phosphorus > phosphorus 31

phosphorus 31 (31P)
subject			fact

phosphorus 31	has symbol 31P
	has natural abundance 100%
	has NMR frequency 40.481 MHz where 1H = 100 MHz; 2.3488 T
	has magnetogyric ratio 10.8289 × 107 rad T-1 s-1
	has NMR receptivity 377 where 13C = 1.00
	has relative NMR sensitivity 0.0663 where 1H = 1.00 for 85% H3PO4
	has nuclear magnetic moment μ = +1.13160 nuclear magnetons with diamagnetic correction
	has nuclear spin I = 1/2+ h/2π
	has number of nucleons 31
	has number of neutrons 16
	has atomic mass 30.973762
	has uses Nuclear Magnetic Resonance
	is an instance of phosphorus
phosphorus	has lethal intake 100 mg for white phosphorus in humans
	has reserves 5.7 × 109 tonnes
	has main mining area Russia, USA, Morocco, Tunisia, Togo, Nauru
	has mineral apatite, phosphophyllite, turquoise, vivianite
	has neutron scattering length 0.513 × 10-12 cm
	has electron affinity 44 kJ mol-1 from to -
	has toxic intake 11 μg kg-1 for white phosphorus in rat
	has mass magnetic susceptibility -1.1 × 10-8 kg-1 m3 for P4 solid
	has mass magnetic susceptibility -8.4 × 10-9 kg-1 m3 for red phosphorus solid
	has electrical resistivity 1 × 109 Ω m for P4 solid at 293 K
	has van der Waals radii 190 pm
	has covalent radii 110 pm for single bond
	has thermal neutron capture cross section 0.172 barns
	has longest lived isotope phosphorus 31
	has isotope mass range 26 to 36
	has number of isotopes 10 including nuclear isomers
	has pronunciation fos-for-us
	has name origin phosphoros = bringer of light from Greek
	has discovery location Hamburg, Germany
	has abundance 3.16 × 105 in Sun relative to H = 1 × 1012
	has abundance 1000 p.p.m. in Earth's crust
	has abundance 0.0015 p.p.m. in Atlantic surface seawater
	has abundance 0.042 p.p.m. in deep Atlantic seawater
	has abundance 0.0015 p.p.m. in Pacific surface seawater
	has abundance 0.084 p.p.m. in deep Pacific seawater
	has specimen white sticks (Danger!), red lumps or powder (Care!)
	has world production 153 × 106 tonnes year-1
	has chief source apatite, turquoise (ornamental stone)
	has mass absorption coefficient 74.1 cm2 g-1 for CuKalpha X-ray diffraction
	has mass absorption coefficient 7.89 cm2 g-1 for MoKalpha X-ray diffraction
	has space group I-43m for white &alpha-P4
	has space group Pm3m or P-43 for red phosphorus
	has crystal cell dimension a = 1851 pm for white &alpha-P4
	has crystal cell dimension a = 1131 pm for red phosphorus
	has crystal type cubic for white &alpha-P4
	has crystal type cubic for red phosphorus
	has atomic emission line 213.618 nm for P I (used in atom absorption spectrometry)
	has atomic emission line 952.573 nm for P I (strong)
	has atomic emission line 956.344 nm for P I (strong)
	has atomic emission line 979.685 nm for P I
	has atomic emission line 1648.292 nm for P I
	has term symbol 4S3/2 in ground state
	has electron configuration [Ne]3s23p3 in ground state
	has mass of element in person 780 g for a 70 kg average person
	has daily dietary intake 900 - 1900 mg
	has level in humans 345 mg dm-3 in blood
	has level in humans 67000 - 71000 p.p.m. in bone
	has level in humans 3 - 8.5 p.p.m. in liver
	has level in humans 3000 - 8500 p.p.m. in muscle
	has hazard white phosphorus is much more toxic than red phosphorus
	has hazard white phosphorus chronic poisoning leads to necrosis of the jaw (phossy-jaw)
	has biological role constituent of DNA, ATP and many other biochemical molecules. Phosphate cycle.
	has linear expansion coefficient 124.5 × 10-6 K-1 for P4 solid
	has thermal conductivity 0.235 W m-1 K-1 for P4 solid at 300 K
	has thermal conductivity 12.1 W m-1 K-1 for black phosphorus solid at 300 K
	has molar volume 17.02 cm3
	has heat capacity 23.840 J K-1 mol-1 for P4 solid at constant pressure 0.1 MPa at 298.15 K
	has heat capacity 21.21 J K-1 mol-1 for red phosphorus solid at constant pressure 0.1 MPa at 298.15 K
	has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K
	has heat of vaporization 51.9 kJ mol-1 for P4 solid
	has heat of fusion 2.51 kJ mol-1 for P4 solid
	has boiling point 553 K for P4
	has melting point 317.3 K for P4 solid
	has melting point 683 K for red phosphorus solid under pressure
has electronegativity 2.19 Pauling
has relative atomic mass 30.973762 in units of 12C = 12.000
has ionic radii 212 pm for P3-
has atomic radii 93 pm for white form
has atomic radii 115 pm for red form
has number of protons 15
has registry number 7723-14-0 for Chemical Abstracts System database
has density 1820 kg m-3 for P4 solid at 293 K
has density 2200 kg m-3 for red phosphorus solid at 293 K
has density 2690 kg m-3 for black phosphorus solid at 293 K
has ocean oxidation state V
has ocean residence time 100000 years
has atomic number 15
reacts with air by bursting into flames (white phosphorus)
reacts with alkalis to form phosphine gas
has discovery date 1669
has discoverer Hennig Brandt
has image
has critical temperature 994 K
recycled oceanic element	has ocean concentration increasing with depth
siderophile element	has occurrence in planet metallic core and associated with iron
group V element	has group 15
	has synonym pnictogen
element	is a part of Universe
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge
	has mass
physical object	has location or center of gravity
	has angular momentum
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Next phosphorus: phosphorus 32    Up: phosphorus    Previous phosphorus: phosphorus 30