Aromaticity is a property of conjugated cycloalkenes in which the stabilization of the molecule is enhanced due to the ability of the electrons in the π orbitals to delocalize. This act as a framework to create a planar molecule.

In pericyclic reactions, bonds are made or broken in a concerted cyclic transition state. Pericyclic reactions require light or heat and are completely stereospecific and it occur if the symmetries of π orbitals in the reactants and products match.

The whole spectrum of physico-chemical and biological process that jointly determine the fate of a chemical in the environment and its potential for affecting ecosystem is the ecological chemistry. It examine the role of chemical interactions between living organisms and their environment.

Is the study of heat, "thermo," and work, "dynamics." Thermodynamics tells chemists whether a particular reaction is energetically possible in the direction in which it is written, and it gives the composition of the reaction system at equilibrium

Group Theory is the mathematical application of symmetry to an object to obtain knowledge of its physical properties. The symmetry of a molecule provides the information of energy levels of the orbitals, orbital symmetries, energy level transitions, etc.

Compounds that have a central atom (often metallic) surrounded by molecules or anions, known as ligands. The ligands are attached to the central atom by dative bonds, also known as coordinate bonds, in which both electrons in the bond are supplied by the same atom on the ligand

Surface science is the study of physical and chemical phenomena that occur at the interface of two phases.It is closely related to surface engineering, which aims at modifying the chemical composition of a surface by incorporation of selected elements or functional groups that produce various desired effects or improvements in the properties of the surface or interface.

Research methodology is the specific procedures or techniques used to identify, select, process, and analyze information about a topic. In a research paper, the methodology section allows the reader to critically evaluate a study's overall validity and reliability.