⚛️ Atomic Structure of Thallium
Thallium has eighty-one protons, one hundred twenty-three neutrons (in its most common isotope, Thallium-205), and eighty-one electrons, with three in its outer shell.
- 🟢 Protons: 81
- 🔴 Neutrons: 123 (Most common isotope, Thallium-205)
- 🟡 Electrons: 81
💡 Did you know? Thallium glows green under a spectroscope!
🔬 Thallium Properties
Thallium is soft, malleable, and dense. It melts at 304°C (579°F), tarnishes in air, and is highly toxic to living organisms.
🧪 How Was Thallium Discovered?
In 1861, English chemist William Crookes identified Thallium via its green spectral line in a zinc ore sample, naming it from the Greek "thallos" (green shoot).
⚡ Uses of Thallium
- 💻 Electronics: Infrared detectors.
- 🩺 Medicine: Heart stress tests.
- 🔬 Glass: High-index lenses.
- ☠️ Past: Rat poison (now banned).
💡 Fun Facts About Thallium
- 🌿 Green spectral glow.
- ☠️ Infamous poison.
- 🔍 Rare in nature.
- 🩺 Scans hearts.
⚠️ Safety & Precautions
Thallium is highly toxic. Avoid all contact, inhalation, or ingestion; use protective gear, ventilate areas, and store securely under strict regulations.