The one that doesn't exemplify a covalent bond would be as follows:
B). NaF
- 'Covalent Bond' is described as the bond of chemicals that exemplifies a kind of chemical bond in which two atoms are associated with one another through the sharing of either two or more than that electrons.
- All the given compounds exemplify the covalent bond except for NH3.
- The key reason behind this is that NaF illustrates an ionic bond because it comprises of the atoms of fluorine and sodium.
Thus, option B is the correct answer.
Learn more about "Covalent Bond" here:
brainly.com/question/2175817
