An atom of lithium (Li) forms an ionic bond with an atom of chlorine (Cl) to form lithium chloride. How are the valence electrons of these atoms rearranged to form this bond?

A few valence electrons are shared between the atoms.
Many valence electrons are shared between the atoms.
Electrons are transferred from the chlorine atom to the lithium atom.
Electrons are transferred from the lithium atom to the chlorine atom.

1 answer

In the formation of lithium chloride (LiCl), the bonding involves the transfer of electrons. Lithium (Li) has one valence electron, while chlorine (Cl) has seven valence electrons. To achieve a stable electronic configuration, lithium will lose its one valence electron, and chlorine will gain an electron to complete its outer shell.

Therefore, the correct statement regarding the rearrangement of valence electrons to form the ionic bond in lithium chloride is:

Electrons are transferred from the lithium atom to the chlorine atom.