File:Technetium-sample-cropped.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as 43Tc, Tc, element 43, masurium, panormium, eka-manganese
simgesi Tc ve atom numarası 43, atom ağırlığı yaklaşık 98 olan, sunî olarak elde edilen radyoaktif element
Technetium is a radioactive chemical element (symbol Tc) that is the lightest element where all forms are radioactive, and it must be created synthetically since it doesn't exist naturally in significant amounts. It matters because it is used in medical imaging and industrial applications, and understanding it helps scientists study radioactive elements and nuclear processes.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).