Atomic structure is a fundamental chapter in chemistry that explains the composition and behavior of atoms, making it one of the most important topics for MDCAT, ECAT, NUST and FSC board exams. It includes the discovery of subatomic particles, atomic models, atomic number and mass number, isotopes, electronic configuration, and energy levels. A clear understanding of atomic structure helps students solve MCQs related to spectra, periodic trends, and chemical bonding. At PLS Academy, atomic structure is taught with a strong conceptual approach, focusing on exam-relevant theories, diagrams, and repeated MCQs to help students perform confidently in entry tests and board examinations.
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