LIFE SCIENCE

Detailed explanation-1: -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. Therefore, fluorine holds the electrons closer.

Detailed explanation-2: -A covalent bond also occurs in Cl2. In the chlorine molecule, the two chlorine atoms are attracted to the same pair of electrons. Each chlorine atom has seven valence electrons in the third energy level and requires one more electron to form an electron core with an argon electron configuration.

Detailed explanation-3: -The two fluorine atoms form a stable F 2 molecule by sharing two electrons; this linkage is called a covalent bond.

Detailed explanation-4: -When two fluorine atoms come together, they each share one of their 7 valence electrons to form a nonpolar covalent bond. A nonpolar covalent bond implies that both electrons that form the bond between the fluorine atoms are shared equally.