Kalyan jewellers offers best quality diamond and gold jewellery with wide varieties of collections. Buy well designed wedding jewellery within …
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常见问题解答
问:
What is Gold and why is its chemical symbol Au?
答:
Gold is a rare metallic element with a melting point of 1064 degrees centigrade and a boiling point of 2808 degrees centigrade. Its chemical symbol, Au, is short...
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