Multiple Choice
A neutral iodine atom has an atomic mass number = 131. Which description below fits this atom?
A) 39 protons, 78 neutrons, 39 electrons
B) 53 protons, 78 neutrons, 53 electrons
C) 52 protons, 79 neutrons, 54 electrons
D) 53 protons, 131 neutrons, 53 electrons
E) 54 protons, 131 neutrons, 54 electrons
Correct Answer:
Verified
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