Question

Write the favourable factors for the formation of ionic bond :

Answer 1

1) Two atoms must be different.

2) Ionization potential of one atom must be small.

3) Electron affinity of one of the atom must be high.

4) Electronegativity of the one of the atom must be high.

5) Difference of electronegativity between two will be greater than or equal to 1.7.