Understanding chemical bonds from "summary" of Chemistry for Pharmacy Students by Lutfun Nahar,Professor Satyajit D. Sarker
Chemical bonds are the forces that hold atoms together to form molecules. Understanding these bonds is crucial in pharmacy as it helps us comprehend the structure and properties of various drug compounds. There are three main types of chemical bonds: covalent, ionic, and metallic. Covalent bonds involve the sharing of electrons between atoms. This type of bond is strong and results in the formation of molecules. Covalent bonds can be polar or non-polar, depending on the electronegativity difference between the atoms involved. Polar covalent bonds have unequal sharing of electrons, leading to a partial positive and partial negative charge on the atoms. Non-polar covalent bonds, on the other hand, have equal sharing of electrons. Ionic bonds occur when electrons are transferred from one atom to another, resulting in the formation of ions. These ions are held together by electrostatic forces of attr...
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