What is the definition of a chemical bond?

Responses

a mutual attraction between the nuclei and electrons in a single atom
a mutual attraction between the nuclei and electrons in a single atom

a mutual repulsion between the nuclei and electrons in two different atoms
a mutual repulsion between the nuclei and electrons in two different atoms

a mutual attraction between the nuclei and electrons in two different atoms
a mutual attraction between the nuclei and electrons in two different atoms

a mutual repulsion between the nuclei and electrons in a single atom

The definition of a chemical bond is: a mutual attraction between the nuclei and electrons in two different atoms.