Which pair of atoms would form a covalent bond v

In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;