Density Functional Theory (DFT) is a quantum mechanical method used to investigate the ________ structure of many-body systems.
- Nuclear
- Electronic
- Molecular
- Atomic
Answer: Electronic
DFT calculates electronic structure (energy, orbitals) of atoms, molecules, solids using electron density instead of wavefunctions. Widely used in materials design, catalysis, drug discovery. [[NCERT Chemistry Class 12]]