The Fascinating World of Gold: Shiny, Rare, and Costly

The video tutorial explores the element gold, its properties, and its significance. Gold, with atomic number 79 and symbol Au, is a transition metal known for its malleability and ductility. Pure gold is too soft for jewelry, so it is often alloyed with other metals. Gold's high conductivity makes it valuable in electronics, though its rarity limits its use. Historically, gold has been used as currency and remains highly valued. However, gold mining poses environmental risks, including cyanide pollution, making it a hazardous endeavor.

What is the atomic number of gold and what group does it belong to in the periodic table?

Why is pure gold not typically used to make jewelry?

What does the term 'carat' or 'K' refer to in relation to gold?

How was gold historically used as a form of currency?

What are some environmental consequences of gold mining?