The golden element is gold.
Gold, represented by the symbol Au (from the Latin Aurum meaning "shining dawn"), is element number 79 on the periodic table. It is renowned for its distinctive yellow color, resistance to corrosion (making it a noble metal), and historical and economic significance. Its abundance in the earth's crust is approximately 0.004 parts per million (ppm). The only naturally occurring isotope of gold is Au-197, making it a monoisotopic element.
Here's a summary of key information about gold:
| Property | Description |
|---|---|
| Element Symbol | Au |
| Atomic Number | 79 |
| Latin Name | Aurum |
| Color | Yellow |
| Abundance | 0.004 ppm in Earth's crust |
| Natural Isotope | Au-197 (100%) |
| Classification | Transition Metal |
Gold's inert nature and malleability make it highly valuable in various applications, from jewelry and coinage to electronics and dentistry. Its rarity and enduring beauty have cemented its status as a precious metal throughout history.
