Question

Na2F possess

a) metallic bond

b) covalent bond

c) ionic bond

d) coordinate bond

Answer 1

First of all the given compound is NaF.
This compound is an ionic compound. Sodium gives its one electron and becomes Na⁺ which is accepted by the fluorine atom and it becomes F^-. The compound thus formed is an ionic bond as there is transfer of electron.
Na ----> Na⁺ + e-
F + e^- -----> F^-.
Na⁺ + F^- -----> NaF