How many neutrons does element x have if its atomic number is 54 and its mass number is 151?

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asked Aug 22, 2018 169k views

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Ddeamaral · Answer 1 · 2018-08-29T04:16:27+0000

Atomic mass (z) - atomic number / # of protons (n) = # of neutrons:

151-54=97

You can easily tell what element X is. With an atomic number of 54, the element is the noble gas Xenon (Xe).

How many neutrons does element x have if its atomic number is 54 and its mass number is 151?

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