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{{subpages}} {{Elem_Infobox |background1= f2f2f2 |align=right |elementColor= |elName= Gold |elMass= 196.967 |elSym= Au |elNum= 79 |elClass=Transition Metal |elgroup=11 |elperiod=6 |elblock=d |eltrnCfg=[Xe]6s¹4f¹⁴5d¹⁰ |no1=1 |no2=3 |no3= |no4= |properties= Metallic, lustrous, corrosion-resistant |compounds= Auranofin |uses= coinage, jewelry, electronics |hazard= }} '''Gold''' is a highly sought-after [[precious metal]] that for many centuries has been used as [[money]], a [[store of value]] and in [[jewellery|jewelry]]. The metal occurs as [[gold nugget|nuggets]] or grains in rocks and in [[alluvial deposit]]s and is one of the [[coinage metal]]s. It is a soft, shiny, yellow, dense, malleable, and ductile (trivalent and univalent) [[transition metal]]. Modern industrial uses include [[dentistry]] and [[electronics]]. Gold is the basis for a [[Gold standard|monetary standard]] used by the [[International Monetary Fund]] (IMF) and the [[Bank for International Settlements]] (BIS). Its [[ISO 4217|ISO currency code]] is '''XAU'''. Gold is a [[chemical element]] with an [[atomic number]] of 79; it is given the symbol '''Au''' (from the [[Latin]] ''aurum''). The adjective ''auric'' refers to something made of gold. Gold does not react with most chemicals but is attacked by [[chlorine]], [[fluorine]], [[aqua regia]] and [[cyanide]]. Gold dissolves in [[mercury (element)|mercury]]. In particular, gold is insoluble in [[nitric acid]], which will dissolve most other metals. Nitric acid has long been used to confirm the presence of gold in items. {{TOC|left}}

• Gold/Atomic mass
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