Question

no of covalent bonds in pentane

Answer 1

Structure of pentane: In this pink circle denotes electron shared by carbon and sky blue circle denotes the electron shared by hydrogen atom. As you see the structure of pentane, all bonds are formed of sharing of electrons of atoms, so all are covalent. So, number of covalent bonds in Pentane are 16.

Answer 2

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$\huge{sixteen(16) }$