What is Copper?

Copper, the twenty-ninth element on the periodic table, is a reddish-brown transition metal. It's one of the few metals found naturally in pure form and is a superb conductor.

Atomic Number: 29

Symbol: Cu

Atomic Mass: 63.546 u

Category: Transition Metal

State at Room Temperature: Solid

Discovered By: Known since antiquity

⚛️ Atomic Structure of Copper

Copper has twenty-nine protons, thirty-four neutrons (in its most common isotope, Copper-63), and twenty-nine electrons, with eleven in its outer shell.

💡 Did you know? Copper-65, another stable isotope, is used in scientific studies of trace elements!

🔬 Copper Properties

Copper is malleable, ductile, and an excellent conductor of heat and electricity. It resists corrosion but forms a green patina (copper oxide) over time.

🧪 How Was Copper Discovered?

Copper has been used since antiquity, with evidence from 8700 BCE in the Middle East. It was one of the first metals humans worked with, mined from ores like malachite.

⚡ Uses of Copper

💡 Fun Facts About Copper

⚠️ Safety & Precautions

Copper is non-toxic in solid form and safe for everyday use, but excessive ingestion of copper salts can cause nausea. Dust may irritate lungs.

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