The correct option is B True
Ionic bonds involve a cation and an anion. The bond is formed when an atom, typically a metal, loses an electron or electrons and becomes a positive ion, or cation. Another atom, which is typically a non-metal, is able to acquire the electron(s) to become a negative ion or anion.
Formation of sodium fluoride (NaF) from a sodium and a fluorine atom.
In this reaction, the sodium atom loses its single valence electron to the fluorine atom, which has just enough space to accept it.
Here, the ions produced are oppositely charged and are attracted to one another due to electrostatic forces.