⚛️ Atomic Structure of Zinc
Zinc has thirty protons, thirty-four neutrons (in its most common isotope, Zinc-64), and thirty electrons, with twelve in its outer shell.
- 🟢 Protons: 30
- 🔴 Neutrons: 34 (Most common isotope, Zinc-64)
- 🟡 Electrons: 30
💡 Did you know? Zinc-65, a radioactive isotope, is used in medical tracer studies!
🔬 Zinc Properties
Zinc is brittle at room temperature but becomes malleable when heated. It resists corrosion by forming a protective oxide layer and melts at 419.5°C (787°F).
🧪 How Was Zinc Discovered?
Zinc was used in alloys like brass since antiquity, but German chemist Andreas Marggraf isolated it in 1746 by heating zinc oxide with carbon.
⚡ Uses of Zinc
- 🏗️ Galvanizing: Coats steel to prevent rust.
- 🔋 Batteries: Zinc-carbon and alkaline batteries.
- 💊 Health: Supplements for immune support.
- 🏭 Alloys: Brass (with copper) and die-casting alloys.
💡 Fun Facts About Zinc
- 🧬 Essential for enzyme function in the body.
- 🌍 Often found with lead in ores like sphalerite.
- 🔥 Burns with a blue-green flame when ignited.
- 🏠 Used in roofing and gutters for durability.
⚠️ Safety & Precautions
Zinc is non-toxic in solid form and safe in small dietary amounts, but inhaling zinc oxide fumes (e.g., from welding) can cause “metal fume fever.”