... of choice, gold. The latin name for this element is Aurum, hence its symbol Au. The atomic number of Au is 79, and it belong to the portion of the periodic table know and the transition metals. Its atomic mass is 196,96655 and its atomic radius is 1.35 Angstrom. As other metals it is malleable and duttile; it is characterized by a bright yellow color, due to its absorbance of ... light in the frequency of blue. Gold is extremely heavy, as its density is 19.32 g/cm3, and melts at very high temperatures (melting point = 1064 C). One of the major characteristic of gold is its poor reactivi...

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• Grade Level: Undergraduate