What I Konw About Gold
September 5, 2008
What is gold?
The dictionary says “Gold is a remarkable, rare metal, with an unparalleled combination of chemical and physical properties. It is the only yellow metal and bears its name from the Old English word for yellow, ‘geolu’. It is also the only metal that forms no oxide film on it’s surface in air at normal temperatures, meaning that it will never rust or tarnish.”
And we also know that gold’s chemical symbol, Au, comes from the latin word for gold, aurum. In the Periodic Table of Elements, gold is classified as a transitional metal with the following characteristics;
• Symbol: Au
• Atomic number: 79
• Atomic mass: 196.96655 amu
• Number of protons/electrons: 79
• Number of neutrons: 118
• Melting point: 1,064.43
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