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    				| 1. | 
                                    Write the number of covalent bonds in the molecule of ethane. | 
                            
| Answer» Solution :There are SEVEN covalent BONDS: `H-underset(H)underset(|)OVERSET(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-H` | |