http://inspire.ec.europa.eu/codelist/CommodityCodeValue/metalloidINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTmetalloidA metalloid is a chemical element that has properties in between those of metals and nonmetals. There is no standard definition of a metalloid, nor is there complete agreement as to which elements are appropriately classified as such. Despite this lack of specificity, the term remains in use in chemistry literature. The six commonly recognised metalloids are boron, silicon, germanium, arsenic, antimony and tellurium. - http://en.wikipedia.org/wiki/Metalloidhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/antimony2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTantimonyAntimony is a chemical element with symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient times and were used for cosmetics; metallic antimony was also known, but it was erroneously identified as lead. - http://en.wikipedia.org/wiki/Antimonyhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/arsenic2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTarsenicArsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. Arsenic is a metalloid. It can exist in various allotropes, although only the gray.form has important use in industry. - http://en.wikipedia.org/wiki/Arsenichttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/boron2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTboronBoron is a chemical element with symbol B and atomic number 5. Because boron is produced entirely by cosmic ray spallation and not by stellar nucleosynthesis, it is a low-abundance element in both the solar system and the Earth's crust. Boron is concentrated on Earth by the water-solubility of its more common naturally occurring compounds, the borate minerals. These are mined industrially as evaporites, such as borax and kernite. - http://en.wikipedia.org/wiki/Boronhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/germanium2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTgermaniumGermanium is a chemical element with symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Purified germanium is a semiconductor, with an appearance most similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (native) state. - http://en.wikipedia.org/wiki/Germaniumhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/silicon2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTsiliconSilicon is a chemical element with the symbol Si and atomic number 14. It is a tetravalent metalloid, less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table. - http://en.wikipedia.org/wiki/Siliconhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/tellurium2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTtelluriumTellurium is a chemical element with symbol Te and atomic number 52. A brittle, mildly toxic, rare, silver-white metalloid which looks similar to tin, tellurium is chemically related to selenium and sulfur. It is occasionally found in native form, as elemental crystals. - http://en.wikipedia.org/wiki/Tellurium