Element Project

Gold

• Meaning/name of origin: originates from the Old English Anglo-Saxon word "geolo" meaning yellow
• Year of Discovery: unknown
• Discoverer: unknown (it was used by Ancient Egyptians, Greeks, & Romans)
• Source: native gold is found in forms of small grains or larger nuggets in sand of old rivers and embedded in rocks

Gold was used to make
King Tut's tomb.

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• Element Symbol: Au
• Atomic Number: 79
• Atomic Mass: 196.96655 amu
• Group/Family Name & Number: Group 11 / "Transitional Metals"
• Protons= 79 Neutrons= 118 Electrons=79

Model of Gold

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• Common ions (oxidation #): +3, +1
• Electron Configuration: 5d^106s^1
• Electronegativity: 2.54 on the Pauling Scale

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• State of matter at room temp: gold is solid at room temperature
• Color: variety of yellow-orange blends
• Common uses: currency, jewelry, medical (dental, cancer/tumors in stomach-gold therapy)

Common use of Gold is in Jewelry.