Why Doesn't Gold Tarnish?

Why doesn't gold tarnish? A simple answer might be that it's a so-called "noble metal"—its atoms don't like to chemically react with others. But a more complex answer also answers *why* gold atoms are so unreactive. Some of it is due to special relativity, and some is due to a phenomenon called reconstruction. Free to watch on Dr.Doc Kids.

Courtesy of SciShow on YouTube. Watch on YouTube ↗

More Dr.Doc Kids: Science & Experiments

Think Like an Engineer: The BEST Solution!2024•5m•HDThe Liquid Hammer Toy You Can't Buy2026•15m•HDHow Salt Fingering Helps The Oceans2026•8m•HDSpace Compilation: Crash Course Kids2016•25m•HDHow to Build a Snowman (With No Snow): Christmas DIY Activity2026•5m•HDWhen A Shipwreck Comes Back To Life2026•12m•HDThe Building Blocks of Earth: Rocks2024•22m•HDWhy chaotic hoses dance2025•19m•HDWhat Happens When You Let the Air Out?2026•7m•HDGas Giants Weather: Crash Course Kids #43.22016•5m•HDPumpkin Patch Coordinate Plane: Fall Math Activity (4-6)2026•5m•HDHank Green Asks a Volcanologist Anything2026•34m•HD