The Schrödinger equation for the hydrogen atom, a cornerstone of quantum mechanics, describes the behavior of an electron bound to a proton. It involves solving the equation to obtain eigenfunctions that represent the electron’s state and probability density function to describe its distribution. Key elements in the equation include the Hamiltonian operator, which incorporates the kinetic and potential energies, and quantum numbers that characterize the electron’s energy, shape, and orientation. This equation helps explain the discrete energy levels found in atoms, as well as the emission and absorption of light during atomic transitions, providing a fundamental understanding of atomic structure and behavior.