A nonpolar covalent bond is a type of chemical bond where two atoms share a pair of electrons equally because they have similar electronegativities.
Topic 2.1: 2.1 Types of Chemical Bonds
Nonpolar Covalent Bond cheat sheet for homework
The average distance between nuclei of two bonded atoms in a molecule.
A single covalent bond that involves only one pair (two) shared electrons.
A double covalent bond that involves two pairs (four) shared electrons.