A uranium nucleus has 143 neutrons. How many protons does a uranium-235 nucleus have?
A) 92
B) 143
C) 235
D) 327

Name: A uranium nucleus has 143 neutrons. How many protons does a uranium-235 nucleus have? A) 92 B) 143 C) 235 D) 327
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Question

Quizplus · Accepted Answer

Uranium-235 indicates the mass number (sum of protons and neutrons) is 235. Given 143 neutrons, subtracting from the mass number gives 235 - 143 = 92 protons, which is characteristic of uranium.

A Uranium Nucleus Has 143 Neutrons