Question

determine the number of electrons in \\(\ce{_{29}^{63}cu}\\)

Explanation:

Step1: Identify atomic number

For $\ce{^{63}_{29}Cu}$, the subscript (bottom number) is the atomic number, $Z=29$.

Step2: Relate to electron count

In a neutral atom, number of electrons = atomic number.
Number of electrons = $29$

Answer:

29