🔹 Basic Information

• Element Name: Meitnerium
• Discovered By: Gesellschaft für Schwerionenforschung (GSI), Darmstadt, Germany 🇩🇪
• Year of Discovery: 1982
• Category: Transition Metal / Superheavy Element
• Group: 9 (same group as cobalt, rhodium, iridium)
• State at Room Temperature: Unknown (likely solid) ❓

Meitnerium is a synthetic and radioactive element that does not occur naturally — it must be created in a lab.

🔸 Chemical Properties

• Chemical Symbol: Mt
• Atomic Number: 109
• Atomic Mass: ~278 u (most stable isotope)
• Valency: Predicted: +3
• Electronic Configuration: [Rn] 5f¹⁴ 6d⁷ 7s² (predicted)

Since only a few atoms have ever been made, Meitnerium’s chemical properties are mostly unknown and based on predictions.

📘 Basic Things to Know

Meitnerium is named after Lise Meitner, a pioneering Austrian-Swedish physicist who helped discover nuclear fission — one of the very few elements named after a woman in science 👩‍🔬💡

🤔 Interesting Facts

• Created by bombarding bismuth (Bi) with iron (Fe) nuclei in a particle accelerator 💥
• Meitnerium atoms last less than a second before decaying into lighter elements ⏱️
• Very few atoms have ever been produced, so its appearance and behavior are still a mystery 🔍
• It is located near other heavy elements like iridium, which might hint at similar behavior
• Honors the legacy of Lise Meitner, a trailblazer in nuclear physics and women’s history ⚛️

🔧 Common Uses

⚠️ Meitnerium has no commercial or practical uses due to its short lifespan and rarity.

• Scientific Research: Helps in the study of superheavy elements and nuclear reactions 🔬
• Nuclear Chemistry: Used to explore how the heaviest atoms behave
• Honoring Science History: Celebrates the work of important scientists in nuclear research 📚

📚 Conclusion

Meitnerium is a lab-made, superheavy element that pushes the boundaries of modern chemistry. For students, it’s a symbol of both scientific exploration and the contributions of women in science. 🌟👩‍🔬