CCl4, also known as carbon tetrachloride, is a nonpolar molecule. This is because the molecule has a symmetrical tetrahedral shape, and the four chlorine atoms are evenly distributed around the central carbon atom. The electronegativity difference between carbon and chlorine is not enough to create a significant dipole moment, resulting in a nonpolar molecule.
In a nonpolar molecule like CCl4, the electron distribution is uniform, and there are no regions of partial positive or negative charge. This symmetry and uniform distribution of electrons make CCl4 nonpolar.