Chemistry · Structure of atom

Consider the following statements regarding the properties of cathode rays and anode rays: (A) Cathode rays start from the cathode and move towards the anode. (B) Penetrating power of \( \alpha \)-particles is least compared to \( \beta \) and \( \gamma \) rays. (C) Neutrons are deflected by magnetic fields because they possess a neutral charge. (D) The atomic number (\( Z \)) equals the number of protons in the nucleus of an atom. How many of the above statements are correct?

1. Only one
2. Only two
3. Only three
4. All four