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Problem 70

If an atom has 18 electrons, how many protons doe…

00:29
Problem 69

Xenon An isotope of xenon has an atomic number of
54 and contains 77 neutrons. What is the xenon isotope's

Answer

Mass number of the isotope $=131$ amu.


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Video Transcript

the element in this question as 55 protons and 31 nutrients, the addition of protons and neutrons together forms the full mass. So 55 plus 31 is 131 a M U Judiciary answer.

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