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                              Q:
                           
                           
                                                      | A) electron | B) neutron | 
| C) proton | D) All of the above | 
                              Answer:   B) neutron
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
An atom is composed of three subatomic particles. They are ::
1) Electron (-vely charged particle)
2) Proton (+vely charged particle)
3) Neutron (No charge particle)
Hence, Neutron is the subatomic particle which has no charge.
 
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