http://www.periodic-table.org.uk/ element - gold.htm Watch this video about the element gold. An ideal educational resource for chemistry ... ... <看更多>
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http://www.periodic-table.org.uk/ element - gold.htm Watch this video about the element gold. An ideal educational resource for chemistry ... ... <看更多>
Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard ... ... <看更多>