MCQOPTIONS
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				| 1. | 
                                    An atom of carbon has 6 protons. Its mass number is 12. How many neutrons are present in an atom of carbon? [NDA] | 
                            
| A. | 12 | 
| B. | 6 | 
| C. | 10 | 
| D. | 14 | 
| Answer» C. 10 | |