The symbol for a certain isotope of polonium is $^{214}
_{84} Po$.How many neutrons are there in the nucleus of this isotope?

Name: The symbol for a certain isotope of polonium is $^{214} _{84} Po$.How many neutrons are there in the nucleus of this isotope?
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Question

Quizplus · Accepted Answer

To find the number of neutrons in an isotope, we subtract the atomic number (protons) from the mass number (protons + neutrons). In this case, 
number of neutrons = mass number - atomic number = 214 - 84 = 130. Therefore, the correct answer is B.

The Symbol for a Certain Isotope of Polonium Is 84214Po^{214}_{84} Po84214​Po

The Symbol for a Certain Isotope of Polonium Is $^{214}_{84} Po$