Which statement describes an ionic bond?

A.

Electrons transition from an inner shell to a valence shell.

B.

Electrons are transferred from one atom to another.

C.

Electrons are shared between atoms.

D.

Electrons are mobile within a metal.

B. Ionic bond is if electrons from one element are transferred to another atom

eg Na has 11 electrons and Cl has 17 electrons both are unstable and to become stable sodium gives one electron and cl accepts that electron

so NaCl is ionic

the attraction between two oppositely charged particles formed by the transfer of electrons between two atoms.