achayakhi620 achayakhi620

13-09-2022
Chemistry

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A student believed that she found a new element! Analysis found that it contained two isotopes. The isotopes were: 19.9% with an atomic mass of 10.013 and 80.1% with an atomic mass of 11.009. What is the average atomic mass, and do you think the student discovered a new element? Explain.

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mikalwalker03 mikalwalker03

13-09-2022

Answer:

0.199(10.013) +0.801(11.009)=10.811

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