A covalent bond is a type of chemical bond where two atoms share electrons in order to achieve a stable electron configuration.
Repulsion is a force that acts between charged particles, such as electrons. In covalent bond formation, repulsion between the electrons of two atoms can prevent the formation of a bond.
Repulsion occurs in covalent bonds because electrons have a negative charge and like charges repel each other. If the repulsive force is stronger than the attractive force between the two atoms, a covalent bond cannot form.
Yes, repulsion can be overcome in covalent bond formation if the attractive force between the two atoms is stronger than the repulsive force. This can happen when the two atoms have different electronegativities, meaning one atom has a stronger pull on the shared electrons.
Factors that can increase repulsion in covalent bonds include the size of the atoms involved, the number of shared electrons, and the distance between the two atoms. These factors can affect the strength of the repulsive force and make it more difficult for a covalent bond to form.