Chemistry 101 - Introduction & Index of Topics
Start Learning Chemistry 101
- Chemical Laws
- Periodic Table
- Projects & Experiments
- Scientific Method
- Biochemistry
- Physical Chemistry
- Medical Chemistry
- Chemistry In Everyday Life
- Famous Chemists
- Activities for Kids
- Abbreviations & Acronyms
- Weather & Climate
- Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
- B.A., Physics and Mathematics, Hastings College
Welcome to the world of Chemistry 101! Chemistry is the study of matter. Like physicists, chemists study the fundamental properties of matter and they also explore the interactions between matter and energy. Chemistry is a science, but it is also used in human communication and interaction, cooking, medicine, engineering, and a host of other disciplines. Although people use chemistry every day with no apparent problem, if the time comes to take a course in chemistry in high school or college, many students are filled with dread. Don't be! Chemistry is manageable and even fun. I've compiled some study tips and resources to make your encounter with chemistry easier. Not sure where to start? Try Chemistry Basics .
Periodic Table of the Elements
You need a trusty periodic table for practically all aspects of chemistry! There are links to characteristics of elements groups, too.
- Printable Periodic Tables
- Groups of Elements Periodic Table
Helpful Resources
Use these resources to look up unfamiliar terms, identify chemical structures, and recognize the elements.
- Worked Chemistry Problems
- Chemistry Glossary
- Chemical Structures Archive
- Inorganic Chemicals
- Element Photographs
- Science Lab Safety Signs
Introduction to Chemistry 101
Learn about what chemistry is and how the science of chemistry is studied.
- What Is Chemistry?
- What Is a Chemical?
- What Is the Scientific Method?
- Introduction to Chemistry Quiz
Math Basics
Math is used in all the sciences, including chemistry. To learn chemistry, you need to understand algebra, geometry, and some trig, as well as be able to work in scientific notation and perform unit conversions.
- Accuracy & Precision Review
- Significant Figures
- Scientific Notation
- Physical Constants
- Metric Base Units
- Table of Derived Metric Units
- Metric Unit Prefixes
- Unit Cancelling
- Temperature Conversions
- Experimental Error Calculations
Atoms and Molecules
Atoms are the basic building blocks of matter. Atoms join together to form compounds and molecules. Learn about the parts of the atom and how atoms form bonds with other atoms.
- Basic Model of the Atom
- Atomic Mass & Atomic Mass Number
- Types of Chemical Bonds
- Ionic vs Covalent Bonds
- Rules for Assigning Oxidation Numbers
- Lewis Structures and Electron Dot Models
- Introduction to Molecular Geometry
- What Is a Mole?
- More About Molecules & Moles
- Law of Multiple Proportions
Stoichiometry
Stoichiometry describes the proportions between atoms in molecules and reactants/products in chemical reactions. Learn about how matter reacts in predictable ways so that you can balance chemical equations.
- Types of Chemical Reactions
- How to Balance Equations
- How to Balance Redox Reactions
- Gram to Mole Conversions
- Limiting Reactant & Theoretical Yield
- Mole Relations in Balanced Equations
- Mass Relations in Balanced Equations
- States of Matter
The states of matter are defined by the structure of matter as well as whether it has a fixed shape and volume. Learn about the different states and how matter transforms itself from one state to another.
- Phase Diagrams
Chemical Reactions
Once you have learned about atoms and molecules, you're ready to examine the type of chemical reactions that can occur.
- Reactions in Water
- Types of Inorganic Chemical Reactions
Periodic Trends
The properties of the elements exhibit trends based on the structure of their electrons. The trends or periodicity can be used to make predictions about the nature of the elements.
- Periodic Properties & Trends
- Element Groups
It's important to understand how substance dissolve and how mixtures behave.
- Solutions, Suspensions, Colloids, Dispersions
- Calculating Concentration
Gases exhibit special properties based on having no fixed size or shape.
- Introduction to Ideal Gases
- Ideal Gas Law
- Boyle's Law
- Charles' Law
- Dalton's Law of Partial Pressures
Acids & Bases
Acids and bases are concerned with the actions of hydrogen ions or protons in aqueous solutions.
- Acid & Base Definitions
- Common Acids & Bases
- Strength of Acids & Bases
- Calculating pH
- Negative pH
- Salt Formation
- Henderson-Hasselbalch Equation
- Titration Basics
- Titration Curves
Thermochemistry & Physical Chemistry
Learn about the relationships between matter and energy.
- Laws of Thermochemistry
- Standard State Conditions
- Calorimetry, Heat Flow and Enthalphy
- Bond Energy & Enthalpy Change
- Endothermic & Exothermic Reactions
- What Is Absolute Zero?
Matter is always in motion! Learn about the motion of atoms and molecules, or kinetics.
- Factors that Affect Reaction Rate
- Chemical Reaction Order
Atomic & Electronic Structure
Much of the chemistry that you learn is associated with electronic structure, since electrons can move around much more easily than protons or neutrons.
- Valences of the Elements
- Aufbau Principle & Electronic Structure
- Electron Configuration of the Elements
- Nernst Equation
- Quantum Numbers & Electron Orbitals
- How Magnets Work
Nuclear Chemistry
Nuclear chemistry is concerned with the behavior of protons and neutrons in the atomic nucleus.
- Radiation & Radioactivity
- Isotopes & Nuclear Symbols
- Rate of Radioactive Decay
- Atomic Mass & Atomic Abundance
- Carbon-14 Dating
Chemistry Practice Problems
No matter how well you understand the text or the lecture, sometimes you need to see examples of how to approach and solve chemistry problems.
- Index of Worked Chemistry Problems
- Printable Chemistry Worksheets
Chemistry Quizzes
Test your understanding of key chemistry concepts.
- How to Take a Test
- Atomic Structure Quiz
- Acids & Bases Quiz
- Chemical Bonds Quiz
- Element Number Quiz
- Element Picture Quiz
- Units of Measurement Quiz
Science Fair Projects
Doing a science fair project? Learn how to use the scientific method to design an experiment and test a hypothesis.
- Science Fair Project Help
Other Useful Stuff
- Acids and Bases
- Before You Buy a Chemistry Textbook
- Careers in Chemistry
- High School Courses Needed for College Chem
- Laboratory Safety Rules
- Lesson Plans
- Material Safety Data Sheets
- Top Chemistry Demonstrations
- Top Ways to Fail a Chemistry Class
- What is the IUPAC?
- Why Get a Doctoral Degree?
- Why Students Fail Chemistry
- What Chemistry Is and What Chemists Do
- Mendelevium Facts
- General Chemistry Topics
- What Is Earth Day?
- Resources for Finding Answers to Chemistry Questions
- Heavy Metals in Science
- Teach Yourself Chemistry Today
- What Is Chemical Engineering?
- Fun and Interesting Chemistry Facts
- Is Air Made of Matter?
- Hess's Law Definition
- Definition of Radioactivity
- Tips and Rules for Determining Significant Figures
- What is the Definition of a Composite Material?
- Why Is Chemistry Important?
Chemistry 101 - Course Schedule
Chemistry 101 - course content.
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Organic chemistry
A brief introduction to organic chemistry, unit 1: structure and bonding, unit 2: resonance and acid-base chemistry, unit 3: alkanes, cycloalkanes, and functional groups, unit 4: stereochemistry, unit 5: substitution and elimination reactions, unit 6: alkenes and alkynes, unit 7: alcohols, ethers, epoxides, sulfides, unit 8: conjugated systems and pericyclic reactions, unit 9: aromatic compounds, unit 10: aldehydes and ketones, unit 11: carboxylic acids and derivatives, unit 12: alpha carbon chemistry, unit 13: amines, unit 14: spectroscopy.
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A. Bar has a density of 19.2g/mL. B. Mass of the bar is 11.4kg. C. Volume of the bar is 218L. D. Bar contains 3.49*10^25 atoms. Bar has a density of 19.2g/mL. Why is dissolving of salt in water a chemical change? A. Salt dissociates into ions. B. Water gets saltier. C. Water surrounds the salt compound.
D. CO2 will be more soluble at lower pressures. water and ethanol. Which of the following liquid pairs would be immiscible? I. carbon tetrachloride (CCl4) and hexane (C6H14) II. water and ethanol (C2H5OH) III. water and carbon tetrachloride (CCl4) solid, liquid and gas. Which of the following phases does a sample of water exist in at its triple ...
Welcome to the world of Chemistry 101! Chemistry is the study of matter. Like physicists, chemists study the fundamental properties of matter and they also explore the interactions between matter and energy. Chemistry is a science, but it is also used in human communication and interaction, cooking, medicine, engineering, and a host of other ...
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Welcome to AP®︎/College Chemistry! In AP Chemistry, you'll learn about atomic structure, intermolecular forces and bonding, chemical reactions, kinetics, thermodynamics, equilibrium and more. To make sure you're prepared with the fundamentals, we recommend completing high school chemistry before diving into AP Chemistry.
First and second ionization energy. Electron affinity: period trend. Electronegativity. Electronegativity and bonding. Metallic nature. Periodic trends and Coulomb's law. Worked example: Identifying an element from successive ionization energies. Ionization energy: group trend.
Chemistry 101 - Course Schedule. Chemistry 101 - Course Content. Topic: Lecture and HW: Online Practice Problems (Chemhaven.org) OER Textbook Links: Introductory Material: ... Homework: 1a, 1b Lecture: 1 ab Study Guide: Study Guide: SG - 1 History SG v1 (pdf), History SG v2 (pdf) Scientists Proton/Neutron/Electron - T/F:
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3) Formation of a gas when you add a substance to a solution. 4) Emission of light. 5) Emission of heat. 6) Absorption of heat. Write and balance the equation: The reaction of solid aluminum with aqueous sulfuric acid to form aqueous aluminum sulfate and hydrogen gas. 2 Al (s) + 3 H2SO4 (aq) -> Al2 (SO4)3 + 3 H2.
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A popular car has a gas tank that holds a maximum of 14.5 gallons of fuel. What is the size of the tank in liters? 14.5gal x (3.785L/1gal) = 54.9L. Convert 2.87kg to grams. Use only the metric system. 2.87kg x (1000g/1kg) = 2870g. Convert 34.0mm to inches. 34.0mm x (1in/2.54cm) = 1.34 in. Study with Quizlet and memorize flashcards containing ...
A brief introduction to organic chemistry. Carbon can form covalent bonds with itself and other elements to create a mind-boggling array of structures. In organic chemistry, we will learn about the reactions chemists use to synthesize crazy carbon based structures, as well as the analytical methods to characterize them.
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the sum of the kinetic and potential energies of all of the particles that compose a system, is a state functions, ∆E=E (final)-E (initial) ∆E=E (products)-E (reactants) state function. means that something's value depends on the state of the system. q (heat) + system gains thermal energy.
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