Suppose that the radioactive element technetium tc z 43, Ask an Expert

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Suppose that the radioactive element Technetium (Tc, Z = 43) has three isotopes: 97Tc (21.72%, 97.03 amu), 98Tc (58.70%, 98.00 amu and 99Tc (98.92 amu). What is the atomic mass of Tc as it would appear in the periodic table? Do not enter units with your answer and use the correct number of significant figures.

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