List the Number of Protons, Neutrons, and Nucleons (Protons $^{137}_{~~56}$ Ba
A) 56, 81, 137
B) 81, 56, 137
C)

question 71

Multiple Choice

List the number of protons, neutrons, and nucleons (protons + neutrons) , in that order, for an isotope with the symbol: $^{137}_{~~56}$ Ba

• A) 56, 81, 137
• B) 81, 56, 137
• C) 56, 137, 193
• D) 137, 56, 193
• E) 81, 137, 218

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