Question

Write the number of covalent bonds in the molecule of propane, C3H8.

Answer 1

the number of covalent bonds in propane are 10, as each hydrogen atom gives rise to a single covalent bond , i.e, 8 ans the 3 carbons have 2 single bonds between them. 

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Answer 2

    H   H  H

     |     |    |

H--C--C--C--H.    Therefore there are 10 convenient bonds

     |    |    |      

    H  H  H

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