AP BIOLOGY

Detailed explanation-1: -The carbon–fluorine bond is a polar covalent bond between carbon and fluorine that is a component of all organofluorine compounds.

Detailed explanation-2: -If one fluorine atom shares its electron with a carbon atom, then the octet of the fluorine atom is complete. Carbon has four valence electrons. So, it will form four single bonds with four fluorine atoms and form carbon tetrafluoride. Therefore, carbon and fluorine form covalent bond.

Detailed explanation-3: -With other atoms, fluorine forms either polar covalent bonds or ionic bonds. Most frequently, covalent bonds involving fluorine atoms are single bonds, although at least two examples of a higher order bond exist.

Detailed explanation-4: -A bond formed between fluorine and cesium would tend to be ionic because fluorine has a much stronger attraction for electrons than does cesium.

Detailed explanation-5: -The bond between fluorine and chlorine is covalent. The bond is formed by sharing a pair of electrons. As fluorine is more electronegative than chlorine, the electrons are pulled closer to the fluorine atom.