Each of the following isotopes is used in medicine. Indicate the number of protons and neutrons in each isotope: (a) phosphorus-32, (b) chromium-51, (c) cobalt-60, (d) technetium- 19, (e) iodine-131, (f) thallium-201.

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Q: Why is it that elements such as Gold, Fluorine, and Aluminum only have one isotopes?

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Q: Three of the isotopes of Tellurium, Te, have mass numbers of 124, 126, and 130. Tellurium-124 has 52…

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Q: Which of the following isotopes has the highest number of neutrons? 15 7F 17 8.

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Group 14 Elements

The following elements come under group 14 of the periodic table.