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Molecular Compounds are formed due to sharing of electrons between two non-metals. Group: Ionic Compounds are formed between metal and non-mental. Molecular Compounds are formed when two non-metals chemically combine: Bond: Ionic Compound is formed due to electrostatic force of attraction known as Ionic bond. Molecular Compounds are formed due to covalent bond between elements.
The major difference between the Organic and Inorganic compounds is the nature of bonding. Essentially the organic molecules are formed with covalent bonds while the inorganic compounds are bonded with ionic bonds. Organic compounds have relatively low melting points and boiling points in comparison to the inorganic compounds of a similar molecular mass. 2  They are soft and have a flexible lattice structure to its crystalline compounds. 3  This is attributed to the non-ionic nature of the bond.