Question
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)

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| Straight chain of carbon compound | Structural formula | Molecular formula | Name |
| C | ![]() | $CH _4$ | Methane |
| C - C | ________________ | _______________ | Ethane |
| C - C - C | ________________ | $C _3 H _8$ | ________________ |
| C - C - C - C | ![]() | ________________ | ________________ |