Various gold jewelry is easy to preserve. What are the main reasons for collecting value? It is best to be more detailed, thank you. About the third grade chemistry.
4 thoughts on “Chemistry in the third grade: Various gold jewelry is easy to preserve, the main reason for collecting value”
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When it is easy to preserve, the chemical properties of gold (gold) are quite stable, and it is not easy to have a chemical reaction with other substances. It has the value of collection because of the small number of free -state gold, and the metal luster is very beautiful, so it has great collection value. It is enough to master these in the third grade!
Because the chemical properties of gold are very stable, it is not possible to not oxidize under normal circumstances, and the number of villages is small, and the collection value is high.
Gold is very stable at normal temperature or high temperature, and it is not easy to respond to any substance. Please adopt answers
The chemical properties are stable, have eternal beautiful luster, and the content in nature is less