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An element has an atomic number of 92 and a mass number of 234. How many neutrons does the element have?
A. 192 B. 142 C. 92
 2 years ago
 2 years ago
An element has an atomic number of 92 and a mass number of 234. How many neutrons does the element have? A. 192 B. 142 C. 92
 2 years ago
 2 years ago

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abtrehearnBest ResponseYou've already chosen the best response.0
The atomic number indicates the number of protons in the nucleus of an atom of the element, and the mass number indicates the total number of particles, neutrons and protons, in the nucleus. To get the number of neutrons in an atom of that element, subtract the atomic number from the mass number; 234  92 = 142. The answer is B.
 2 years ago
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