Subject |
has pronunciation |
has space group |
has thermal neutron capture cross section |
has rigidity modulu |
has synonym |
has isotope mass range |
has heat of vaporization |
has discoverer |
has thermal conductivity |
has discovery date |
has name origin |
has linear expansion coefficient |
has heat of fusion |
has specimen |
has main mining area |
has daily dietary intake |
has lethal intake |
has ocean residence time |
has mineral |
has melting point |
has neutron scattering length |
has origin |
has Curie temperature |
has image |
has ocean concentration |
has covalent radii |
has symbol name origin |
has term symbol |
has crystal cell dimension |
has poisson's ratio |
has mass of element in person |
has reserve |
has ocean oxidation state |
has young's modulu |
is a kind of |
has heat capacity |
has bulk modulu |
has van der Waals radii |
has molar volume |
has definition |
has boiling point |
has hazard |
has biological role |
has ionic radii |
has electrical resistivity |
has relative atomic mass |
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has electron affinity |
has registry number |
has density |
has atomic radii |
has atomic number |
has mass magnetic susceptibility |
has discovery location |
has number of isotope |
has toxic intake |
has abundance |
has atomic emission line |
reacts with |
has longest lived isotope |
has symbol |
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has world production |
has electron configuration |
has number of proton |
has mass absorption coefficient |
has level in human |
has electronegativity |
has critical temperature |
has group |
carbon | kar-bon | R3m for rhombohedral graphite | 0.0035 barns | | atom | 9 to 16 | 710.9 kJ mol-1 | | 990 - 2320 W m-1 K-1 for diamond at 298 K | pre-historic | carbo = charcoal from Latin | 1.19 × 10-6 K-1 for diamond | 105.1 kJ mol-1 | amorphous, fullerenes, bucky tubes, diamond, graphite and soot. Safe. | diamond deposits in South Africa, USA, Russia, Brazil, Zaire, Sierra Leone, Ghana, Canada | 300 g | | 800000 years | diamond, graphite, calcium magnesium carbonates, fossil fuel | 800 K for buckminsterfullerene (sublimes) | 0.66460 × 10-12 cm | | | | increasing with depth | 60 pm for triple bonds | | 3P0 in ground state | a = 1414 pm for buckminsterfullerene | | 16 kg for a 70 kg average person | large for tar sands | IV | | recycled oceanic element | 20.838 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | | 185 pm | 3.42 cm3 for diamond | pure forms occur as graphite, diamond and buckminsterfullerene C60 | 5100 K (sublimes) | carbon black is a nuissance but not dangerous, although soot may harbour carcinogenic materials | DNA constituent, organic molecules required for life | 260 pm for C4- | 1 × 1014 Ω m for buckminsterfullerene at 293 K | 12.011 in units of 12C = 12.000 | graphite | 121.9 kJ mol-1 from C to C- | 7440-44-0 for Chemical Abstracts System database | 1650 kg m-3 for buckminsterfullerene at 293 K | 77 pm | 6 | -6.2 × 10-9 kg-1 m3 for diamond | | 8 including nuclear isomers | non-toxic, but some compounds can be very toxic such as CO or CN- | 28 p.p.m. in deep Pacific seawater | 723.642 nm for C II (strong) | almost everything | carbon 12 | C | coke in steel, carbon black in printing, as a filler, activated charcoal for water treatement and respirators | f.c.c. for buckminsterfullerene | 8.6 × | [He]2s22p2 in ground state | 6 | 0.625 cm2 g-1 for MoKα X-ray diffraction | 670000 p.p.m. in muscle | 2.55 Pauling | | 14 |
cobalt | koh-bolt | P63/mmc for ε-Co | 37.2 barns | 82 GPa | atom | 35m to 64 | 382.4 kJ mol-1 | Georg Brandt | 100 W m-1 K-1 at 300 K | 1735 | kobald = goblin from German | 13.36 × 10-6 K-1 | 15.2 kJ mol-1 | foil, pieces, powder, rod and wire. Care ! | Zaire, Morocco, Sweden, Canada | 0.005 - 1.8 mg | 80 mg kg-1 chloride ingested by rat | 40 years | cobaltite, erythrite, glaucodot, linnaerite, skutterudite (smaltite) | 1768 K | 0.278 × 10-12 cm | | | | decreasing with depth | 116 pm | | 4F9/2 in ground state | a = 250.7, c = 406.9 pm for ε-Co | 0.32 GPa | 3 mg for a 70 kg average person | | II | 211 GPa | scavenged oceanic element | 23.020 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | 181.5 GPa | | 6.62 cm3 | lustrous, silvery-blue, hard metal which is also ferromagnetic. Cobalt 60 is an important radioisotope | 3143 K | compounds have low toxicity when ingested, but produce vomiting. Suspected carcinogen. | essential to most species, including humans | 82 pm for Co2+ | 6.24 × 10-8 Ω m at 293 K | 58.93320 in units of 12C = 12.000 | cobaltite, skutterudite | 63.8 kJ mol-1 from Co to Co- | 7440-48-4 for Chemical Abstracts System database | 7670 kg m-3 for liquid at 293 K at melting point | 125 pm | 27 | ferromagnetic | Stockholm, Sweden | 17 including nuclear isomers | 500 mg | 1.1 × 10-6 p.p.m. in deep Pacific seawater | 356.938 nm for Co I | dilute acids | cobalt 59 | Co | magnet alloys, ceramics, catalysts and paints | h.c.p. for ε-Co | 17000 tonnes year-1 | [Ar]3d74s2 in ground state | 27 | 42.5 cm2 g-1 for MoKalpha X-ray diffraction | 0.028 - 0.65 p.p.m. in muscle | 1.88 Pauling | | a column number in the table of the elements |
germanium | | | | | atom | | | | | | | | | | | | | 20000 years | | | | | | | increasing with depth | | | | | | | | IV | | recycled oceanic element | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 14 |
gold | | | | | atom | | | | | | | | | | | | | unknown | | | | exploding core of a supernova | | | unknown | | | | | | | | I | | supernova produced element | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a column number in the table of the elements |
iridium | | | | | atom | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | siderophile element | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a column number in the table of the elements |
iron | iy-on ? | Im3m for δ-Fe | 2.56 barns | 81 GPa for steel | atom | 49 to 63 | 351.0 kJ mol-1 | | 80.2 W m-1 K-1 at 300 K | 2500 B.C. | iron from Anglo-Saxon | 12.3 × 10-6 K-1 | 14.9 kJ mol-1 | chips, filings, foil, granules, powder and wire. Safe. | USA, Canada, Sweden, South Africa, Russia, India, Japan | 6 - 40 mg | 7 - 35 grams | 98 years | goethite, hematite, lepidocrocite, magnetite, siderite, ... | 1808 K | 0.954 × 10-12 cm | | | | increasing with depth | 116 pm | ferrum = iron from Latin | 5D4 in ground state | a = 293.22 pm for δ-Fe | 0.27 GPa for steel | 4.2 kg for a 70 kg average person | 1.1 × 1011 tonnes | III | 208 GPa for steel | recycled oceanic element | 25.677 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | 160 GPa for steel | | 7.09 cm3 | lustrous, silvery and soft or workable metal when absolutely pure | 3023 K | deficiency leads to anemia but excess causes liver and kidney damage | essential to all species | 82 pm for Fe3+ | 9.71 × 10-8 Ω m at 293 K | 55.845 in units of 12C = 12.000 | hematite, magnetite, goethite, lepidocrocite, siderite | 15.7 kJ mol-1 from Fe to Fe- | 7439-89-6 for Chemical Abstracts System database | 7035 kg m-3 for liquid at 1808 K melting point | 124 pm | 26 | ferromagnetic | | 16 including nuclear isomers | 200 mg Iron (II) compounds are more toxic than iron (III) | 1 × 10-4 p.p.m. in deep Pacific seawater | 385.991 nm for Fe I (strong) | dilute acids by disolving | iron 56 | Fe | steel etc... | b.c.c. for δ-Fe | 7.16 × 108 tonnes year-1 | [Ar]3d64s2 in ground state | 26 | 38.5 cm2 g-1 for MoKα X-ray diffraction | 180 p.p.m. in muscle | 1.83 Pauling | | a column number in the table of the elements |
nickel | nik-el | Fm3m | 4.49 barns | 76.0 GPa | atom | 53 to 67 | 371.8 kJ mol-1 | A.F. Cronstedt | 90.7 W m-1 K-1 at 300 K | 1751 | kupfernickel = Devil's copper or St Nicholas's copper from German | 13.3 × 10-6 K-1 | 17.6 kJ mol-1 | foil, powder, rod, slugs, spheres and wire. Safe. | garnierite in Russia, South Africa, USA; pentlandite in Canada, South Africa | 0.3 - 0.5 mg | 350 mg kg-1 in rat for nickel acetate | 80000 years | garnierite, millerite, nickeline, pentlandite, nickel-iron meteorites | 1726 K | 1.03 × 10-12 cm | | 633 K | | increasing with depth | 115 pm | | 3F4 in ground state | a = 352.38 pm | 0.312 GPa | 15 mg for a 70 kg average person | 70 × 106 tonnes | II | 199.5 GPa | recycled oceanic element | 23.359 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | 177.3 GPa | | 6.59 cm3 | corrosion resistant, silvery-white, lustrous, malleable and ductile metal | 3005 K | nickel carbonyl is extremely toxic | essential to some species, and can act to stimulate metabolism | 62 pm for Ni3+ | 6.84 × 10-8 Ω m at 293 K | 58.6934 in units of 12C = 12.000 | garnierite, pentlandite | 156 kJ mol-1 from Ni to Ni- | 7440-02-0 for Chemical Abstracts System database | 7780 kg m-3 for liquid at 1726 K boiling point | 125 pm | 28 | ferromagnetic | Stockholm, Sweden | 14 including nuclear isomers | 1 - 3 mg kg-1 | 5.7 × 10-4 p.p.m. in deep Pacific seawater | 361.939 nm for Ni I | acids by disolving except for concentrated HNO3 | nickel 58 | Ni | alloys, especially stainless steel, coins, metal plating and catalysts | f.c.c. | 510000 tonnes year-1 | [Ar]3d84s2 in ground state | 28 | 46.6 cm2 g-1 for MoKα X-ray diffraction | 1 - 2 p.p.m. in muscle | 1.91 Pauling | | a column number in the table of the elements |
phosphorus | fos-for-us | Pm3m or P-43 for red phosphorus | 0.172 barns | | pnictogen | 26 to 36 | 51.9 kJ mol-1 for P4 solid | Hennig Brandt | 12.1 W m-1 K-1 for black phosphorus solid at 300 K | 1669 | phosphoros = bringer of light from Greek | 124.5 × 10-6 K-1 for P4 solid | 2.51 kJ mol-1 for P4 solid | white sticks (Danger!), red lumps or powder (Care!) | Russia, USA, Morocco, Tunisia, Togo, Nauru | 900 - 1900 mg | 100 mg for white phosphorus in humans | 100000 years | apatite, phosphophyllite, turquoise, vivianite | 683 K for red phosphorus solid under pressure | 0.513 × 10-12 cm | | | | increasing with depth | 110 pm for single bond | | 4S3/2 in ground state | a = 1131 pm for red phosphorus | | 780 g for a 70 kg average person | 5.7 × 109 tonnes | V | | recycled oceanic element | 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | | 190 pm | 17.02 cm3 | soft and flammable white solid, the red form is usually non-flammable | 553 K for P4 | white phosphorus chronic poisoning leads to necrosis of the jaw (phossy-jaw) | constituent of DNA, ATP and many other biochemical molecules. Phosphate cycle. | 212 pm for P3- | 1 × 109 Ω m for P4 solid at 293 K | 30.973762 in units of 12C = 12.000 | apatite, turquoise (ornamental stone) | 44 kJ mol-1 from to - | 7723-14-0 for Chemical Abstracts System database | 2690 kg m-3 for black phosphorus solid at 293 K | 115 pm for red form | 15 | -8.4 × 10-9 kg-1 m3 for red phosphorus solid | Hamburg, Germany | 10 including nuclear isomers | 11 μg kg-1 for white phosphorus in rat | 0.084 p.p.m. in deep Pacific seawater | 1648.292 nm for P I | alkalis to form phosphine gas | phosphorus 31 | P | fertilizers, insecticides, metal treatment, detergents and foods | cubic for red phosphorus | 153 × 106 tonnes year-1 | [Ne]3s23p3 in ground state | 15 | 7.89 cm2 g-1 for MoKalpha X-ray diffraction | 3000 - 8500 p.p.m. in muscle | 2.19 Pauling | 994 K | 15 |
platinum | | | | | atom | | | | | | | | | | | | | unknown | | | | exploding core of a supernova | | | unknown | | | | | | | | II | | supernova produced element | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a column number in the table of the elements |