gold - made from or covered with gold; "gold coins"; "the gold dome of the Capitol"; "the golden calf"; "gilded icons" golden, gilded metal, metallic - containing or made of or resembling or characteristic of a metal; "a metallic compound"; "metallic luster"; "the strange metallic ...
35. The chemical composition of fool's gold is very different from thatof real gold; while real gold is an element (Au), fool's gold is a compound (FeS2). 36. Fool's gold can sometimes be found in riverbeds and other deposits where gold is also found. 37. Graphite and mica are ...
The native state of an element is its free state. It is not combined with any other element. The most common compounds of gold are the tellurides. A telluride is a compound of the element tellurium and one or more other elements. For example, the mineral calavarite is mostly gold ...
atomic number 52, Te, tellurium - a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold chemical compound, compound - (chemistry) a substance...
It is possible to add small amounts of compounds of the precious metal to the acid or to bring both the gray cast iron and the acid into contact with metal sheets or wires of the precious metal. It is also possible to use small amounts of the precious metal as an alloying element of...
gold possessions or bright yellow hair. English: from an Old English personal nameGolda(or the feminineGolde) which persisted into the Middle Ages as a personal name. The name was in part a byname fromgold‘gold’ and in part a short form of various compound names with this first element...
Financial Idioms Encyclopedia Wikipedia </>embed</> mineral selenium Se atomic number... pyrite iron pyrite fool's gold noun Synonyms for fool's gold nouna common mineral (iron disulfide) that has a pale yellow color Synonyms iron pyrite ...
device made of austenitic alloys or alloys containing 75 percent or greater gold and metals of the platinum group intended to be incorporated into a dental appliance, such as a partial denture, to help stabilize the appliance in the patient's mouth by fastening the appliance to an adjacent ...
Number of isotopes (atoms of the same element with a different number of neutrons): Between 18 and 59, depending on where the line for an isotope is drawn. Many artificially created gold isotopes are stable for microseconds or milliseconds before decaying into other elements. One stable isotope...
Binary compounds Compound properties Element reactions List all Au propertiesThe bond energy in the gaseous diatomic species AuAu is 224.7 ±1.5 kJ mol-1.Gold: bond enthalpies in gaseous diatomic speciesThe following values refer to neutral heterodiatomic molecules in the gas phase. These numbers may...