Answer the following question briefly:
1. The atomic mass of an \(Cu\) atom is \(64\) and it has \(35\) neutrons. Find the number of electrons revolving around its nucleus.
i. Number of protons \(=\)
ii. Number of protons present in \(Cu\) atom \(=\)
iii. In a neutral atom,
iv. So, the number of electrons present in \(Cu\) atom is