Mention the condition favouring ionic bond formation.
Hint: We also need to know that in chemistry molecules are made up of bonds only. There are three types of bond in the chemical bond. There are ionic bonds, covalent bonds and coordinate bonds. The covalent bond is nothing but the mutual sharing of electrons between the two atoms in the molecule. The ionic bond means one atom donates the electron and another accepts the electron in the molecule. The coordinate bond is nothing but the one atom donating the lone pair of electrons to the another atom in the same molecule.
Complete answer: We have to know that all inorganic molecules are made up of ionic bonds. In ionic bonds cation and anion are important. The positive ion attracts negative ions due to this attraction ionic bond. One atom in the molecule has extra electrons in the outermost shell. Due to extra electrons in the shell, it is not able to attain stable electronic configuration. Another atom in the molecules is electron deficient atom. It wants electrons to attain stable electronic configuration. One atom donate the electron to attain stability and attain positive charge cation. The other atom accepts the electron to attain stability and attain negative charge anion. The condition favouring ionic bond formation. The ionization energy of metals should be low. The electron affinity of non-metals should be high. The electronegativity difference between metal and non-metals should be high. Cation ion should have a larger atomic radius than the anion atomic radius.
Note: We have to know that the hydrogen bond is also one of the important bonds in chemistry. Without hydrogen bonds nothing in the world. There are two types of hydrogen bonds. There are intermolecular hydrogen bonds and intramolecular hydrogen bonds. The hydrogen bond is dependent on the most electronegativity atom in the molecule.