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antimony | anti-moni | antimony 123 | 4.91 barns | 20.7 GPa | 108 to 136 | 67.91 kJ mol-1 | | 24.3 W m-1 K-1 at 300 K | 1600 BC probably known to the ancients and certainly to the alchemists | ocean | anti + monos = not alone from greek | 8.5 × 10-6 K-1 | 20.9 kJ mol-1 | available as pieces, powder or shot. Care ! | China, Italy, Peru, Mexico, Bolivia, France | | 0.002 to 1.3 mg | 140 mg for antimony potassium tartrate (oral) for LD50 | 3.5 × 105 years | sibiconite, stibnite, tetrahedrite, ullmannite | 903.89 K | 0.557 × 10-12 cm | | depth indenpendent | 141 pm | 4S3/2 in ground state | c = 533 pm for metal form | 2 mg for a 70 kg average person | 0.25 to 0.33 GPa | 2.5 × 106 tonnes | III | accumulating oceanic element | 54.7 GPa | stibium from latin | | 20.79 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | 220 pm | 18.20 cm3 | metalloid element with three forms. The metallic form is the more stable and is bright, silvery, hard and brittle | 1908 K | small doses stimulate metabolism, large doses cause liver damage | none | 245 pm for Sb2- | 39.0 × 10-8 Ω m at 273 K | 112.760 in units of 12C = 12.000 | stibnite, tetrahedrite although mainly a copper ore yields antimony as a by-product | 101 kJ mol-1 from Sb to Sb- | 7440-36-0 for Chemical Abstracts System database | 6483 kg m-3 for liquid at 903.89 K melting point | 182 pm | 51 | | -1.0 × 10-8 kg-1 m3 for solid | | | 40 | 100 mg | 3 × 10-4 p.p.m. in seawater | 259.805 nm for Sb I | stable in dry air, not attacked by dilute acids or alkalis | | Sb | hardenning other metals, stotage batteries, bearings | 53000 tonnes per year | [Kr]4d105s25p3 in ground state | 51 | 33.1 cm2 g-1 for MoKα X-ray diffraction | 0.042 to 0.191 p.p.m. in muscle | 2.05 Pauling | | |
arsenic | ahrs-nik | | 4.30 barns | | 67 to 87 | 31.9 kJ mol-1 | Albertus Magnus | 50.0 W m-1 K-1 at 300 K for α form | 1250 | ocean | arsenikon = yellow orpiment from Greek | 4.6 × 10-6 K-1 | 27.7 kJ mol-1 | available as powder. Danger ! | not much mined as such because more than required is produced as a by-product of refining certain sulfide ores | | 0.04 to 1.4 mg | 50 to 300 mg | 90000 years | arsenopyrite, conichalcite, enargite, lollingite, olivenite, orpiment and realgar | 1090 K for α form under pressure | 0.658 × 10-12 cm | | increasing with depth | 121 pm | 4S3/2 in ground state | c = 10.548 pm for β form | 0.5 to 15 mg for a 70 kg average person depending on diet | | | V | recycled oceanic element | | | | 20.786 J K-1 mol-1 for gas at constant pressure of 0.1 MPa at 298.15 K | 200 pm | 15.9 cm3 for β form | a metalloid element with two main forms, grey α arsenic and β arsenic | 889 K sublimes | salts and arsine gases are very poisonous. Stimulates metabolism in small doses, but it is carcinogenic and possibly teratogenic | essential to some species including humans | 69 pm for As3+ | 26 × 10-8 Ω m at 273 K | 74.92159 in units of 12C = 12.000 | arsenopyrite, realgar and orpiment | 78 kJ mol-1 from As to As- | 7440-38-2 for Chemical Abstracts System database | 4700 kg m-3 for solid at 293 K (β form) | 125 pm | 33 | | -3.97 × 10-9 kg-1 m3 for β form | brittle for α form | Germany | 22 | 5 to 50 mg | 1.75 × 10-3 p.p.m. in deep Pacific seawater | 454.348 nm for As II | hot acids and molten NaOH, tarnishes burns in oxygen | | As | alloys, semiconductors, pesticides, wood preservatives and glass | 47000 tonnes per year for As2O3 | [Ar]3d104s24p3 in ground state | 33 | 69.7 cm2 g-1 for MoKα X-ray diffraction | 0.009 to 0.65 p.p.m. in muscle | 2.18 Pauling | | metallic for α form |
bismuth | | | | | | | | | | ocean | | | | | | | | | 103 years or less | | | | | decreasing with depth | | | | | | | III | scavenged oceanic element | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
nitrogen | niy-troh-jen | | 1.91 barns | | 12 to 18 | 5.577 kJ mol-1 | D. Rutherford | 0.02598 W m-1 K-1 at 300 K for gas | 1772 | atmosphere of a planet or asteroid | nitron genes = nitre forming (potassium nitrate) from Greek | | 0.720 kJ mol-1 | small pressurized canisters. Safe. | | 3394 kPa | high | | 6000 years | nitratine, nitrammite, nitrobarite, nitrocalcite and nitromagnesite | 63.29 K | 0.936 × 10-12 cm | | increasing with depth | 70 pm for single bond | 4S3/2 in ground state | a = pm | 1.8 kg for a 70 kg average person | | × 10 tonnes | V | recycled oceanic element | | | gas at standard temperature and pressure | 20.786 J K-1 mol-1 for atomic gas at constant pressure 0.1 MPa at 298.15 K | 154 pm | 12.65 cm3 | colourless, odourless gas (N2) | 77.4 K | harmless gas, but it could asphyxiate if it excluded oxygen from the lungs | constituent element of DNA and amino acids; nitrogen cycle in nature | | | 14.00674 in units of 12C = 12.000 | liquified air | -7 kJ mol-1 from N to N- | 7727-37-9 for Chemical Abstracts System database | 1.2506 kg m-3 for gas at 273 K | 71 pm | 7 | liquifaction of air | -5.4 × 10-9 kg-1 m3 for gas | | Edinburgh, Scotland, UK | 8 including nuclear isomers | non-toxic as N2 gas but NO2, HCN and NH3 are toxic | p.p.m. in seawater | 1246.962 nm for N I | generaly unreactive at normal temperatures | nitrogen 14 | N | fertilizers, acids (HNO3), explosives, plastics and dyes | 44 × 106 tonnes year-1 | [He]2s22p3 in ground state | 7 | 0.916 cm2 g-1 for MoKα X-ray diffraction | 72000 p.p.m. in muscle | 3.04 Pauling | 126.05 K | |
phosphorus | fos-for-us | | 0.172 barns | | 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 | in planet metallic core and associated with iron | 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 | 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 | |