SAT Subject Physics Practice Question 314: Answer and Explanation

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Question: 314

10. The symbols used in writing nuclear equations. Atomic nuclei are typically written in the form . Which letter represents the name of the nuclide?

A. The number of protons is Z.
B. The number of neutrons is X.
C. The symbol of the element is X.
D. The number of electrons is A.
E. The mass number is A.

Correct Answer: C


The correct answer is (C). The name of the nuclide is represented by the symbol of the element. The X represents the elemental symbol for any one of the elements.

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