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Answer: Gold (Au) is a bright, soft, dense, malleable, and ductile metal with a slightly reddish yellow hue when available in mass quantities. However, if it is divided very finely, it will turn black, purple, or ruby.
The valency of an atom refers to its ability to combine with other atoms. The valency of an element is a measure of the number of chemical bonds it can form when it is a compound component.
Gold can either have the valency of three or one.
Gold can also exist in the less frequent oxidation states of -1, +2, and +5.
