1 : Periodic Table
  • Familiarize yourself with the periodic table, including the arrangement of elements, periods, groups, and block classification (s-block, p-block, and so on).
2 : Atomic Structure
  • Understand the basic atomic structure, including the nucleus (protons and neutrons) and electron cloud (orbitals and electrons).
3 : Electronic Configuration
  • Know how to write electronic configurations for elements using the Aufbau principle, Pauli exclusion principle, and Hund’s rule.
  • Learn the periodic trends:
    • Atomic radius: Increases down a group and decreases across a period.
    • Ionization energy: Decreases down a group and increases across a period.
    • Electronegativity: Decreases down a group and increases across a period.
    • Electron affinity: Generally becomes more negative across a period.
5 : Group Characteristics
  • Understand the unique characteristics of different main group element groups:
    • Alkali metals (Group 1).
    • Alkaline earth metals (Group 2).
    • Halogens (Group 17).
    • Noble gases (Group 18).
6 : Common Compounds
  • Memorize common compounds formed by main group elements, such as oxides, hydroxides, and salts.
7 : Oxidation States
  • Be familiar with the common oxidation states of elements in different groups.
8 : Chemical Reactions
  • Understand common chemical reactions involving main group elements, such as combustion, displacement, and formation reactions.
9 : Lewis Structures
  • Learn to draw Lewis structures for molecules, including the octet rule and exceptions.
10 : VSEPR Theory
  • Understand the Valence Shell Electron Pair Repulsion (VSEPR) theory for predicting molecular shapes.
11 : Hybridization
  • Know the concept of hybridization of atomic orbitals in molecules and how it affects molecular geometry.
12 : Coordination Compounds
  • Understand the basics of coordination compounds, including coordination number, ligands, and central metal ions.
13 : Chemical Bonding
  • Know the types of chemical bonds (ionic, covalent, metallic) and their characteristics.
14 : Lewis Acid-Base Theory
  • Understand the Lewis acid-base theory, including Lewis acids (electron pair acceptors) and Lewis bases (electron pair donors).
15 : Chemical Formulas and Nomenclature
  • Learn the rules for naming chemical compounds, including the names and formulas of common ions.
16 : Common Reagents
  • Be familiar with common reagents used in chemical reactions involving main group elements.
17 : Practical Applications
  • Understand the practical applications of main group elements in daily life and industry.
18 : Nuclear Chemistry
  • Basic concepts of nuclear chemistry, including isotopes, nuclear reactions, and radioactive decay.
19 : Quantum Mechanics (Basics)
  • A basic understanding of quantum mechanics as it relates to the electronic structure of atoms and molecules.
20 : Key Formulas
  • Formulas related to atomic structure, periodic trends, bond energy, and other relevant concepts.