CHEM 104 • Midterm I • Chemistry for Engineering

Macroscopic and Microscopic States

Definition of Chemistry

Classifications of Mixtures

Classifications of Substances

Classifications of Substances

Physical and Chemical Changes

Physical Separation: Distillation

Three States of Matter

Physical Properties: Mass and Volume

Physical Properties: Density

Physical Properties: Density

A Comparison of Temperature Scales

A Comparison of Temperature Scales

Dimensional Analysis in Solving Problems

Dimensional Analysis in Solving Problems

Helpful Prefixes and SI units

Scientific Method

Extensive and Intensive Property

Uncertainties in Scientific Measurements

Measuring Mass of an Object

Significant Figures

Scientific Notation for Expressing Numbers

Rules for Rounding off Numerical Results

Significant Figures in Numerical Calculations

Significant Figures in Numerical Calculations

Atomic Mass

Atomic Mass

Avogadro’s Number and Molar Mass of an Element

Avogadro’s Number and Molar Mass of an Element

Molecular Mass

Molecular Mass

Percent Composition of Compounds

Percent Composition of Compounds

Experimental Determination of Empirical Formulas

Experimental Determination of Empirical Formulas

Chemical Reactions and Chemical Equations

Chemical Reactions and Chemical Equations

Amounts of Reactants and Products

Limiting Reagents

Limiting Reagents

Reaction Yield

Reaction Yield

General Properties of Aqueous Solutions

Ionic Compounds in Water

Electrolytes

Electrolytes

Hydration

Like Dissolves Like

Precipitation Reactions and Solubility

Solubility

Writing Net Ionic Equations

Writing Net Ionic Equations

Properties of Acids and Bases

Acid-Base Theories

Acid-Base Theories

Acid-Base Neutralization

Acid-Base Neutralization

Reduction-Oxidation Reactions

Oxidation Number

Rules for Oxidation Number

Rules for Oxidation Number

The Oxidation Numbers of Elements in Their Compounds

Concentration of Solutions

Concentration of Solutions

Concentration of Solutions

Dilution of Solutions

Dilution of Solutions

Gravimetric Analysis

Gravimetric Analysis

Titrations

Titrations

Introduction to Quantum Theory

The Electromagnetic Radiation

Energy Calculation in Photons

Planck’s Quantum Hypothesis

The Photoelectric Effect

Bohr’s Theory of the Hydrogen Atom

de Broglie Waves

Heisenberg Uncertainty Principle

The Schrödinger Equation

Particle in 1D Box

Quantum Numbers

s Orbitals

p Orbitals

d Orbitals

Electron Configurations

The Pauli Exclusion Principle

Aufbau Principle

The Periodic Table

Atomic Radius

Ionic Radius

Ionization Energy

Electron Affinity

Magnetic Properties

Lewis Symbols and the Octet Rule

Ionic Bonding

Covalent Bonding

Bond Polarity and Electronegativity

Drawing Lewis Structures

Resonance Structures

Molecular Shapes

Molecular Shapes examples-1

Molecular Shapes examples-2

Molecular Shapes examples-3

The VSEPR Model

Electron-Domain and Molecular Geometries-1

Electron-Domain and Molecular Geometries-2

Effect of Nonbonding Electrons on Bond Angles

Molecules with Expanded Valence Shells

Shapes of Larger Molecules

Molecular Shape and Molecular Polarity-1

Molecular Shape and Molecular Polarity-2

Molecular Shape and Molecular Polarity-3

Valence-Bond Theory-1

Valence-Bond Theory-2

Hybrid Orbitals

sp Hybrid Orbitals

sp2 Hybrid Orbitals

sp3 Hybrid Orbitals

Multiple Bonds-1

Multiple Bonds-2

Multiple Bonds-3

Resonance Structures, Delocalization, and pi Bonding

Molecular Orbitals

Molecular Orbitals-He2 molecule

Molecular Orbitals-Li2 and Be2

Molecular Orbitals-B2 through Ne2

Electron Configurations and Molecular Properties

Molecular Orbitals-NO molecule

Questions of Development of Periodic Table - Part I

Questions of Development of Periodic Table - Part II

Questions of Atoms, Molecules, Ions

Questions of Chemical Reactions and Stoichiometry

Questions of Reactions in Aqueous Solutions

Questions of Electronic Structure of Atoms