What Is Berkelium?

Berkelium, the ninety-seventh element on the periodic table, is a synthetic, radioactive actinide named after the city where it was first created.

Atomic Number: 97

Symbol: Bk

Atomic Mass: [247] u (most stable isotope)

Category: Actinide

State at Room Temperature: Solid

Discovered By: Stanley G. Thompson, Albert Ghiorso, Glenn T. Seaborg (1949)

⚛️ Atomic Structure of Berkelium

Berkelium has ninety-seven protons, one hundred fifty neutrons (in its most stable isotope, Berkelium-247), and ninety-seven electrons, with two in its outer shell.

  • 🟢 Protons: 97
  • 🔴 Neutrons: 150 (Most stable isotope, Berkelium-247)
  • 🟡 Electrons: 97

💡 Did you know? Berkelium was named after Berkeley, California, home of the lab where it was discovered!

🔬 Berkelium Properties

Berkelium is radioactive, silvery, and dense. It has a melting point of about 986°C (1807°F) and emits alpha and beta radiation.

🧪 How Was Berkelium Discovered?

In 1949, American scientists Stanley G. Thompson, Albert Ghiorso, and Glenn T. Seaborg synthesized Berkelium by bombarding americium at Berkeley.

⚡ Uses of Berkelium

  • 🔬 Research: Studying actinide chemistry.
  • ⚡ Synthesis: Precursor to heavier elements.

💡 Fun Facts About Berkelium

  • 🌆 Named after Berkeley, CA.
  • ⏳ Half-life of 330 days.
  • 🏭 Only made in tiny amounts.
  • 🔬 Purely synthetic.

⚠️ Safety & Precautions

Berkelium is radioactive and a radiation hazard. It requires strict handling in controlled laboratory environments.

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