The value for A for an atom containing 47 protons,47 electrons,and 60 neutrons is

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Quizplus · Accepted Answer

In an atom, A (mass number) is equal to the sum of protons and neutrons. The number of protons is given as 47, and the number of neutrons is given as 60. Thus, A=47+60=107. The choices A, B, and C represent incorrect values as they correspond to the number of protons, the number of electrons, and the number of neutrons, respectively. Choice E represents an incorrect value as it is equal to the sum of all three particles.

The Value for a for an Atom Containing 47 Protons,47