Question

1. Name the isotope used for the treatment of cancer
2. What is the maximum number of electrons which can be accommodated N shell?
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Answer 1

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• Cobalt therapy is the medical use of gamma rays from the radioisotopecobalt-60 to treat conditions such ascancer.
• Each shell can contain only a fixednumber of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on

Answer 2

Answer:

2-8electron

1-cobalt therapy

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