Answer the following question given this paragraph: 

Pure nonpolar covalent bonds exist only between two identical atoms. The H-H bond would be 100% covalent, because there is no difference in electronegativity between the two atoms.


Q: Pure nonpolar covalent bonds exist only between what?

 Choices:

- two altered atoms

- two producing atoms

- three altered atoms

- two identical atoms

A:
two identical atoms
