What is the symbol of gold?

Au

The correct answer is option 4. Au.

Gold's chemical symbol is "Au," which is derived from the Latin word for gold, "aurum."

The symbol "Au" comes from the Latin word "aurum," which means "shining dawn" or "glow of sunrise." Gold has been known to humanity since ancient times and has been valued for its beauty, rarity, and malleability. The Latin name "aurum" reflects these qualities and has been used to refer to gold for centuries.

In the periodic table of elements, each element is assigned a unique chemical symbol, typically derived from its name in Latin, English, or another language. Gold's symbol "Au" is widely recognized and used in scientific and chemical contexts to represent the element in chemical formulas, equations, and discussions.

Gold is a dense, soft, and malleable metal with a distinctive yellow color. It is highly corrosion-resistant, making it suitable for use in jewelry, coinage, and decorative arts. Gold is also an excellent conductor of electricity and is used in electronics, dentistry, and various industrial applications.

Throughout history, gold has held great cultural, economic, and symbolic significance. It has been used as currency, a symbol of wealth and power, and a medium for artistic expression. Gold artifacts dating back thousands of years have been discovered in archaeological sites around the world, highlighting its enduring appeal and importance to human civilization.

In summary, the symbol "Au" represents the chemical element gold, reflecting its historical significance and distinctive properties. It is widely used in scientific and chemical contexts to denote gold in various applications and discussions.