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1. The Chemical World(0)

The Scientific Method
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2. Measurement and Problem Solving(0)

Scientific Notation
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SI Units (Simplified)
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Metric Prefixes
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Significant Figures (Simplified)
(0)

Significant Figures: Precision in Measurements
(0)

Significant Figures: In Calculations
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Conversion Factors (Simplified)
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Dimensional Analysis
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Density
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Density of Non-Geometric Objects
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3. Matter and Energy(0)

Classification of Matter
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States of Matter
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Physical & Chemical Changes
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Chemical Properties
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Physical Properties
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Temperature (Simplified)
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Law of Conservation of Mass
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Nature of Energy
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First Law of Thermodynamics
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Endothermic & Exothermic Reactions
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Heat Capacity
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Thermal Equilibrium (Simplified)
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Intensive vs. Extensive Properties
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4. Atoms and Elements(0)

The Atom (Simplified)
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Subatomic Particles (Simplified)
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Isotopes
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Ions (Simplified)
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Atomic Mass (Simplified)
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Periodic Table: Element Symbols
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Periodic Table: Classifications
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Periodic Table: Group Names
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Periodic Table: Representative Elements & Transition Metals
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Periodic Table: Phases (Simplified)
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Periodic Table: Main Group Element Charges
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Atomic Theory
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Rutherford Gold Foil Experiment
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5. Molecules and Compounds(0)

Law of Definite Proportions
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Periodic Table: Elemental Forms (Simplified)
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Naming Monoatomic Cations
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Naming Monoatomic Anions
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Polyatomic Ions
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Naming Ionic Compounds
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Writing Formula Units of Ionic Compounds
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Naming Acids
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Naming Binary Molecular Compounds
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Molecular Models
(0)

Calculating Molar Mass
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6. Chemical Composition(0)

Empirical Formula
(0)

Molecular Formula
(0)

Mole Concept
(0)

Mass Percent
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7. Chemical Reactions(0)

Chemical Reaction: Chemical Change
(0)

Balancing Chemical Equations (Simplified)
(0)

Solubility Rules
(0)

Electrolytes (Simplified)
(0)

Molecular Equations
(0)

Types of Chemical Reactions
(0)

Complete Ionic Equations
(0)

Gas Evolution Equations (Simplified)
(0)

8. Quantities in Chemical Reactions(0)

Stoichiometry
(0)

Limiting Reagent
(0)

Percent Yield
(0)

Thermochemical Equations
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9. Electrons in Atoms and the Periodic Table(0)

Wavelength and Frequency (Simplified)
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Electromagnetic Spectrum (Simplified)
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Bohr Model (Simplified)
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Emission Spectrum (Simplified)
(0)

Electronic Structure
(0)

Electronic Structure: Shells
(0)

Electronic Structure: Subshells
(0)

Electronic Structure: Orbitals
(0)

Electronic Structure: Electron Spin
(0)

Electronic Structure: Number of Electrons
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The Electron Configuration (Simplified)
(0)

The Electron Configuration: Condensed
(0)

Ions and the Octet Rule
(0)

Valence Electrons of Elements (Simplified)
(0)

Periodic Trend: Metallic Character
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Periodic Trend: Atomic Radius (Simplified)
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Periodic Trend: Ionization Energy (Simplified)
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Periodic Trend: Electron Affinity (Simplified)
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Electron Arrangements
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The Electron Configuration: Exceptions (Simplified)
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10. Chemical Bonding(0)

Lewis Dot Symbols (Simplified)
(0)

Ionic Bonding
(0)

Covalent Bonds
(0)

Lewis Dot Structures: Neutral Compounds (Simplified)
(0)

Bonding Preferences
(0)

Multiple Bonds
(0)

Lewis Dot Structures: Multiple Bonds
(0)

Lewis Dot Structures: Ions (Simplified)
(0)

Lewis Dot Structures: Exceptions (Simplified)
(0)

Resonance Structures (Simplified)
(0)

Valence Shell Electron Pair Repulsion Theory (Simplified)
(0)

Electron Geometry (Simplified)
(0)

Molecular Geometry (Simplified)
(0)

Bond Angles (Simplified)
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Dipole Moment (Simplified)
(0)

Molecular Polarity (Simplified)
(0)

11 Gases(0)

Pressure Units
(0)

Kinetic Molecular Theory
(0)

The Ideal Gas Law
(0)

The Ideal Gas Law Derivations
(0)

The Ideal Gas Law Applications
(0)

Chemistry Gas Laws
(0)

Chemistry Gas Laws: Combined Gas Law
(0)

Standard Temperature and Pressure
(0)

Dalton's Law: Partial Pressure (Simplified)
(0)

Gas Stoichiometry
(0)

12. Liquids, Solids, and Intermolecular Forces(0)

Intermolecular Forces (Simplified)
(0)

Intermolecular Forces and Physical Properties
(0)

Atomic, Ionic and Molecular Solids
(0)

Heating and Cooling Curves
(0)

13. Solutions(0)

Solutions
(0)

Solubility and Intermolecular Forces
(0)

Solutions: Mass Percent
(0)

Molarity
(0)

Osmolarity
(0)

Solubility: Temperature Effect
(0)

Intro to Henry's Law
(0)

Dilutions
(0)

Solution Stoichiometry
(0)

Molality
(0)

The Colligative Properties
(0)

Boiling Point Elevation
(0)

Freezing Point Depression
(0)

Osmosis
(0)

14. Acids and Bases(0)

Acid-Base Introduction
(0)

Arrhenius Acid and Base
(0)

Bronsted Lowry Acid and Base
(0)

Acid and Base Strength
(0)

The pH Scale
(0)

Auto-Ionization
(0)

pH of Strong Acids & Bases
(0)

Acid-Base Reactions
(0)

Buffers
(0)

Strong Acid Strong Base Titrations (Simplified)
(0)

15. Chemical Equilibrium(0)

Rate of Reaction
(0)

Energy Diagrams
(0)

Chemical Equilibrium
(0)

The Equilibrium Constant
(0)

Le Chatelier's Principle
(0)

Solubility Product Constant (Ksp)
(0)

16. Oxidation and Reduction(0)

Calculate Oxidation Numbers
(0)

Redox Reactions
(0)

Spontaneous Redox Reactions
(0)

Balancing Redox Reactions: Acidic Solutions
(0)

Balancing Redox Reactions: Basic Solutions
(0)

Galvanic Cell (Simplified)
(0)

17. Radioactivity and Nuclear Chemistry(0)

Types of Radiation
(0)

Alpha Decay
(0)

Beta Decay
(0)

Gamma Emission
(0)

Positron Emission
(0)

Radioactive Half-Life
(0)

Measuring Radioactivity
(0)

10. Chemical Bonding

Lewis Dot Structures: Multiple Bonds

10. Chemical Bonding

Lewis Dot Structures: Multiple Bonds: Videos & Practice Problems

Video Lessons Practice Worksheet

Lewis Dot Structures: Multiple Bonds Practice Problems

19 problems

Problem 1Multiple Choice

What is the primary goal of the octet rule in chemical bonding?

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Problem 2Multiple Choice

In a molecule of carbon dioxide (CO₂), how are the electrons shared between the carbon and oxygen atoms to satisfy the octet rule?

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Problem 3Multiple Choice

Consider a molecule of nitrogen gas (N₂). How many valence electrons are involved in the triple bond between the nitrogen atoms?

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Problem 4Multiple Choice

Which of the following molecules requires a double bond to satisfy the octet rule for all atoms involved?

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Problem 5Multiple Choice

Which of the following elements is an exception to the octet rule and follows the duet rule instead?

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Problem 6Multiple Choice

In a Lewis Dot Structure, what indicates that an atom has achieved its desired electron configuration?

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Problem 7Multiple Choice

How does the electron distribution differ between a single bond and a triple bond in nitrogen molecules?

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Problem 8Multiple Choice

Which of the following molecules demonstrates the use of a triple bond to satisfy the octet rule?

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Problem 9Multiple Choice

Which of the following scenarios would most likely result in the formation of a double bond?

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Problem 10Multiple Choice

In the molecule ethene (C₂H₄), how are the electrons shared to satisfy the octet rule for all atoms?

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Problem 11Multiple Choice

How many valence electrons are present in a molecule of ethyne (C₂H₂) with a triple bond between the carbon atoms?

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Problem 12Multiple Choice

Which type of bond is typically formed when two atoms share two pairs of electrons?

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Problem 13Multiple Choice

Why does hydrogen not follow the octet rule?

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Problem 14Multiple Choice

In a molecule of sulfur hexafluoride (SF₆), how does sulfur achieve its electron configuration?

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Problem 15Multiple Choice

What is the main difference in electron distribution between a single bond and a triple bond in nitrogen molecules?

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Problem 16Multiple Choice

Which molecule demonstrates the use of both single and double bonds to satisfy the octet rule?

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Problem 17Multiple Choice

Which of the following molecules is most likely to form a triple bond due to insufficient valence electrons?

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Problem 18Multiple Choice

What is a covalent bond?

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Problem 19Multiple Choice

How many valence electrons are present in a molecule of carbon tetrachloride (CCl₄)?

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Multiple Bonds Practice Problems Lewis Dot Structures: Ions (Simplified) Practice Problems

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