Technetium (Tc) is a chemical element with atomic number 43 and is notable for being the first artificially produced element. It has several isotopes, with the most significant ones being: 1. **Technetium-97 (Tc-97)**: This isotope has a half-life of about 4.2 million years and is one of the more stable isotopes. It is produced in trace amounts in nuclear reactors and is used in some medical applications.
Technetium-99 (Tc-99) is a radioactive isotope of technetium, which is a chemical element with the symbol Tc and atomic number 43. Tc-99 is significant in various fields, particularly in nuclear medicine. ### Properties: - **Half-Life**: Tc-99 has a relatively short half-life of about 6 hours. This means that it decays relatively quickly, which is advantageous for medical applications as it limits the patient's exposure to radiation.
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