
Nguồn ngoài
Atoms First - Introductory Chemistry for Science and Engineering
- Tác giả
- Craig Cavanaugh, Kathryn Mayer, Rebekah Stassinopoulos
- Nhà xuất bản
- Southwestern College
- Nguồn
- LibreTexts
- Giấy phép
- CC BY-NC-SA
- Ngôn ngữ
- EN
- Danh mục
- Khoa học cơ bản
Mục lục· 171 mục
- 01: Chemistry Measurements and Calculations
- 1.01: The Scope of Chemistry
- 1.02: Chemicals Compose Ordinary Things
- 1.03: Hypothesis Theories and Laws
- 1.04: The Scientific Method - How Chemists Think
- 1.05: Taking Measurements
- 1.5.01: Measurement Basics - Units and the SI System
- 1.5.02: Awkward Numbers and Scientific Notation
- 1.5.03: Measurement Uncertainty and Significant Figures
- 1.06: Unit Conversions and Problem Solving
- 1.6.01: One-Step Unit Conversions
- 1.6.02: Multi-step Unit Conversion
- 1.6.03: Units Raised to a Power - Slightly Obtuse Multi-step Conversions
- 1.07: Density as a Unit Conversion
- 1.08: Temperature - Random Motion of Molecules and Atoms
- 1.E: Practice Exercises - Measurements and Conversions
- 02: Atomic Structure
- 2.01: Indivisible - The Atomic Theory
- 2.02: The Building Blocks of Atoms - Protons Neutrons and Electrons
- 2.03: Tracking Subatomic Particles in Atoms
- 2.04: Looking for Patterns - The Periodic Table
- 2.05: Atoms to Ions - Losing and Gaining Electrons
- 2.06: Isotopes - When the Number of Neutrons Varies
- 2.07: Atomic Mass - The Average Mass of an Elements Atoms
- 2.08: Summary of Atomic Theory
- 2.E: Practice Exercises - Atomic Structure
- 03: Light Electrons and the Periodic Table
- 3.01: Light is Electromagnetic Radiation
- 3.1.01: The Electromagnetic Spectrum
- 3.02: Models of Electron Behavior in Atoms
- 3.2.01: The Bohr Model - Atoms with Orbits
- 3.2.02: The Quantum Mechanical Model - Atoms with Orbitals
- 3.03: Quantum Mechanics - Orbitals and Electron Configurations
- 3.04: Core and Valence Electrons
- 3.05: Electron Configurations and the Periodic Table
- 3.5.01: The Explanatory Power of the Quantum Mechanical Model
- 3.06: Periodic Trends - Atomic Size Ionization Energy and Metallic Character
- 3.E: Practice Exercises - Light Electrons and the Periodic Table
- 04: Matter Compounds and Nomenclature
- 4.01: Describing Matter
- 4.1.01: States of Matter
- 4.1.02: Physical and Chemical Properties
- 4.1.03: Physical and Chemical Changes
- 4.1.04: Conservation of Mass - There is No New Matter
- 4.1.05: Summary of Describing Matter
- 4.02: Compounds
- 4.2.01: Chemical Formulas - Representing Compounds
- 4.03: A Molecular View of Elements and Compounds
- 4.04: Ionic Compounds
- 4.4.01: Monatomic and Polyatomic Ions
- 4.4.02: Formulas and Ionic Compounds
- 4.05: What is Nomenclature
- 4.5.01: Nomenclature - Ionic Compounds
- 4.5.02: Nomenclature - Molecular Compounds
- 4.5.03: Nomenclature - Acids
- 4.06: Nomenclature - Executive Summary
- 4.E: Practice Exercises - Matter Compounds and Nomenclature
- 05: The Mole Chemical Formulas and Composition
- 5.01: Avogadro's Number
- 5.02: Conversions Between Moles and Atoms
- 5.03: Molar Mass
- 5.04: Conversions Between Moles and Mass
- 5.05: Conversions Between Mass and Number of Particles
- 5.06: Percent Composition
- 5.6.01: Percent of Water in a Hydrate
- 5.07: Determining Empirical Formulas
- 5.08: Determining Molecular Formulas
- 5.09: Mole Road Map
- 5.E: Practice Exercises - The Mole Chemical Formulas and Composition
- 06: Lewis Structures Molecular Shape and Intermolecular Forces
- 6.01: The Octet 'Rule'
- 6.1.01: Valence Electrons and Lewis Dots
- 6.1.02: Lewis Dots and Ionic Compounds
- 6.1.03: Lewis Dots and Simple Covalent Compounds
- 6.02: Determining Lewis Structures for Molecular Compounds (and Ions)
- 6.2.01: Resonance - Equivalent Lewis Structures
- 6.2.02: Exceptions to the Octet 'Rule'
- 6.03: Predicting the Shapes of Molecules - VSEPR Theory
- 6.04: Electronegativity Bond Polarity and Molecule Polarity
- 6.05: Intermolecular Forces (IMF)
- 6.E: Practice Exercises - Lewis Structures Shapes and IMF
- 07: Aqueous Solutions
- 7.01: Types of Solutions
- 7.1.01: How Solutions Form
- 7.1.02: Types of Aqueous Solutions
- 7.02: Aqueous (Ionic) Solutions
- 7.03: Describing Solubility
- 7.3.01: Solubility of Solids
- 7.04: Quantifying Solutions - Concentration
- 7.4.01: Measuring Concentration with Mass and Volume Percents
- 7.4.02: Measuring Concentration with Molarity
- 7.05: Solutions and Dilution
- 7.E: Practice Exercises - Aqueous Solutions
- 08: Chemical Reactions
- 8.01: Evidence for Chemical Reactions
- 8.02: Chemical Reactions in Words
- 8.03: Chemical Reactions and Skeleton Equations
- 8.04: Complete (Balanced) Chemical Equations
- 8.05: Types of Reactions
- 8.06: Double Displacement Reactions
- 8.6.01: DD - Precipitation Reactions
- 8.6.02: DD - Acid Base Neutralization and Gas Evolution Reactions
- 8.6.03: Representing Aqueous Reactions - Complete Chemical Total Ionic and Net Ionic Equations
- 8.07: Oxidation and Reduction (Redox) Reactions
- 8.7.01: Combination Reactions
- 8.7.02: Decomposition Reactions
- 8.7.03: Combustion Reactions
- 8.7.04: Single Displacement Reactions
- 8.7.05: Oxidation States and Assigning Oxidation Numbers
- 8.7.06: Using Oxidation Numbers to Identify Redox Reactions
- 8.08: A (long) Summary of Chemical Reactions
- 8.E: Practice Exercises - Chemical Reactions
- 09: Stoichiometry - Quantities in Chemical Reactions
- 9.01: Stoichiometry - Moles are Key to Understanding
- 9.1.01: Stoichiometry - Mass to Mass Conversions
- 9.1.02: Stoichiometry - Volume to Volume Conversions
- 9.1.03: Gases and Moles - A Quick Aside
- 9.1.04: Stoichiometry - Now with Gases
- 9.1.05: Titrations - Revisiting Solution-based Stoichiometry
- 9.02: Limiting Reagent (Reactant)
- 9.03: Theoretical Yield vs Percent Yield
- 9.04: Tracking Heat Flow Using Stoichiometry
- 9.E: Practice Exercises - Stoichiometry
- 10: Solids Liquids and Gases
- 10.01: Properties of Solids Liquids and Gases
- 10.1.01: Types of Crystalline Solids
- 10.1.02: Gases and the Kinetic Molecular Theory
- 10.02: Vocab is Important - Temperature vs Heat vs Energy
- 10.2.01: Energy Work and Heat
- 10.2.02: Tracking Energy Flows with Heat
- 10.2.03: Quantifying Heat Using Changes in Temperature
- 10.03: Phase Transitions
- 10.3.01: Evaporation (l to g) and Condensation (g to l)
- 10.3.02: Melting (s to l) Freezing (l to s) and Sublimation (s to g)
- 10.3.03: Quantifying Heat During Phase Transitions
- 10.04: Heating and Cooling Curves
- 10.E: Practice Exercises - Solids Liquids and Gases
- 11: Acids and Bases
- 11.01: Properties of Acids and Bases
- 11.1.01: Acids - Properties and Examples
- 11.1.02: Bases - Properties and Examples
- 11.02: Chemistry of Acids and Bases
- 11.2.01: Molecular Definitions of Acids and Bases
- 11.2.02: Reactions of Acids and Bases
- 11.2.03: Acids and Bases - Strong vs Weak
- 11.03: Acid Base Equilibria
- 11.3.01: Water - An Acid and a Base in One Molecule
- 11.3.02: pH and pOH - Tracking Acidity
- 11.04: Buffer Solutions
- 11.E: Practice Exercises - Acids and Bases
- 12: Chemical Equilibrium
- 12.01: Before Equilibrium - Let's Discuss Rate of Reactions and Collisions
- 12.1.01: Effects of Temperature Concentration and Catalysts on Reaction Rates
- 12.02: Dynamic Equilibrium
- 12.03: The Equilibrium Constant Expression
- 12.04: Le Chatelier's Principle
- 12.05: Some Special Types of Equilibria
- 12.E: Practice Exercises - Chemical Equilibrium
- 13: Radioactivity and Nuclear Chemistry
- 13.01: The Discovery of Radioactivity
- 13.02: Types of Radioactivity - Alpha Beta and Gamma Decay
- 13.03: Radioactivity and Half-Life
- 13.04: Detecting Radioactivity
- 13.05: Applications of Nuclear Chemistry
- 13.5.01: Radiocarbon Dating
- 13.5.02: The Discovery of Fission and the Atomic Bomb
- 13.5.03: Nuclear Power - Using Fission to Generate Electricity
- 13.5.04: Nuclear Fusion - The Power of the Sun
- 13.5.05: The Effects of Radiation on Life
- 13.5.06: Radioactivity in Medicine
- 13.E: Practice Exercises - Radioactivity and Nuclear Chemistry