What is an ionic bond? How is it formed? Illustrate with suitable examples.

Draw the Lewis structures for the following molecules and ions:

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions:
(a) K and S,   (b) Ca and O  (c) Al and N

Define lattice enthalpy. How is it violated to the stability of an ionic compound?

What are important consequences of lattice enthalpies?

Write three favourable factors for the formation of ionic bond ?

Can sodium chloride conduct electric current in the solid state?