A new atomic model is introduced, based on the electron morphology theory derived from extensive experimental research initiated by Compton and further refined by Bostick. This model, which is validated by experimental results, presents a finite-sized atom with defined dimensions and energy, in contrast with the traditional "point particle" concept of infinite energy.The proposed atomic model accounts for all currently known subatomic particles and predicts the existence of potential new ones based on the well-established electrodynamic laws. This atomic model was developed without invoking randomness and non-causality, as quantum theory does, which cannot adequately explain the physical world.The model provides robust explanations for various physical properties of elements and particles and for discrete energy levels from the finite size of a real atom rather than the "magical" energy jumps of quantum models. It further demonstrates the origins of discrete energies, as well as Planck’s and Rydberg’s constants. Experimental validation confirms that the total energy equation accurately predicts known atomic spectral lines and forecasts new ones yet to be observed.The derivation of a real-valued atomic wave function challenges Schrödinger’s imaginary wave function, asserting that a real physical world finite-sized particle must possess a real-valued wave function rather than an imaginary one.The proposed modern atomic model offers a superior framework for understanding the physical properties of particles and elements, surpassing other models by providing true physical insight supported by experimental data and the universal electrodynamic laws.