The correct answer is option 1: Covalent bonds are directional.

Covalent bonds are formed when electrons are shared between atoms. In a covalent bond, the atoms involved have a strong attraction for each other and share electrons in order to achieve a more stable or filled outer electron shell.

The directionality of a bond refers to the specific arrangement or orientation of the atoms involved in the bond. In the case of covalent bonds, the shared electrons are localized between the atoms involved, forming a region of electron density. This electron density is concentrated in the region between the atomic nuclei, creating a directional bond.

On the other hand, ionic bonds are formed when there is a complete transfer of electrons from one atom to another, resulting in the formation of positive and negative ions. Ionic bonds are not directional because the ions are held together by electrostatic attraction rather than a specific arrangement of shared electrons.

Therefore, option 2, stating that ionic bonds are directional, is incorrect. Option 3 is incorrect because it states that both covalent and ionic bonds are directional, which is not the case for ionic bonds. Option 4 is also incorrect as it states that both covalent and ionic bonds are non-direction