Unit 453: Comprehensive Chemistry Fundamentals

1. Introduction to the Periodic Table

1.1 History of the Periodic Table

• Early attempts at element classification
• Dmitri Mendeleev’s contribution
• Modern periodic table development

1.2 Organization of Elements

• Atomic number and its importance
• Arrangement by increasing atomic number

1.3 Periods and Groups

• Definition and significance of periods
• Definition and significance of groups/families
• Trends in properties across periods and down groups (e.g., atomic radius, electronegativity)

2. Atomic Structure and Properties

2.1 Subatomic Particles

• Protons, neutrons, electrons: properties and locations

2.2 Atomic Number and Atomic Mass

• Definition and calculation

2.3 Isotopes

• Concept and examples
• Applications of isotopes

2.4 Relationship Between Atomic Structure and Chemical Properties

• Electron configuration
• Valence electrons and chemical reactivity

3. Chemical Bonding

3.1 Types of Chemical Bonds

• Ionic bonds: formation and characteristics
• Covalent bonds: single, double, triple bonds
• Metallic bonds: electron sea model

3.2 Bond Polarity and Electronegativity

• Polar vs nonpolar bonds
• Impact on molecule shape and properties

3.3 Influence of Bonding on Physical and Chemical Properties

• Melting and boiling points
• Electrical conductivity
• Solubility

4. Chemical Reactions

4.1 Types of Chemical Reactions

• Synthesis (combination)
• Decomposition
• Combustion
• Redox (oxidation-reduction) reactions

4.2 Law of Conservation of Mass

• Explanation and implications

4.3 Balancing Chemical Equations

• Step-by-step methods
• Practice examples

5. Acids, Bases, and pH

5.1 Properties of Acids and Bases

• Characteristics and common examples

5.2 pH Scale

• Definition and range
• pH indicators and their use

5.3 Neutralization Reactions

• Acid-base reactions
• Salt and water formation

5.4 Strong vs Weak Acids and Bases

• Degree of ionization
• Examples and implications

6. Stoichiometry

6.1 Mole Concept

• Definition and Avogadro’s number

6.2 Molar Mass

• Calculation and use

6.3 Stoichiometric Calculations

• Mole-to-mole relationships
• Mass-to-mass problems

6.4 Limiting Reactants

• Identification and effect on product yield

6.5 Practice Problems

• Stepwise problem solving

7. Gases and Their Properties

7.1 Gas Laws

• Boyle’s Law
• Charles’s Law
• Avogadro’s Law

7.2 Ideal Gas Law

• Equation and applications

7.3 Deviations from Ideal Behavior

• Real gases and conditions affecting deviations

7.4 Factors Affecting Gas Pressure, Volume, and Temperature

• Relationships and calculations

8. Thermochemistry

8.1 Heat and Energy

• Definitions and units

8.2 Enthalpy

• Concept of enthalpy change

8.3 Calorimetry

• Measuring heat changes

8.4 Endothermic and Exothermic Reactions

• Characteristics and examples

8.5 Hess’s Law

• Statement and problem-solving applications

9. Chemical Equilibrium

9.1 Concept of Chemical Equilibrium

• Dynamic nature

9.2 Equilibrium Constant (K)

• Expression and significance

9.3 Le Chatelier’s Principle

• Predicting system response to changes

9.4 Factors Affecting Equilibrium Position

• Concentration, temperature, pressure

9.5 Calculating Equilibrium Concentrations

• ICE tables and problem solving

10. Organic Chemistry Basics

10.1 Structure of Organic Compounds

• Carbon bonding and hybridization

10.2 Nomenclature

• Naming alkanes, alkenes, alkynes

10.3 Functional Groups

• Alcohols, carboxylic acids, amines, etc.

10.4 Isomerism

• Structural and stereoisomerism

10.5 Reactions of Organic Compounds

• Addition, substitution, elimination reactions