Which Combination of Protons, Neutrons, and Electrons Is Correct for the Isotope

Which combination of protons, neutrons, and electrons is correct for the isotope of copper, ⁶³ Cu?
29

A) 29 p⁺, 34 n°, 29 e^-
B) 63 p⁺, 29 n°, 63 e^-
C) 34 p⁺, 34 n°, 29 e^-
D) 34 p⁺, 29 n°, 34 e^-
E) 29 p⁺, 29 n°, 63 e^-