Curated OER
Writing Formulas by Crossing Over
In this formulas worksheet, students use the cross-over rule to determine the formula for compounds of the elements and polyatomic ions given. Students complete 15 problems.
Curated OER
What's Matter?
Students explore many of the basic properties of matter including atoms, ions, elements, molecules, and density. The class explores an interactive flash-animated Web site to answer questions and clarify misconceptions they might have had...
Curated OER
Metals vs. Non-Metals
In this elements learning exercise, students compare and contrast the characteristics of metals and non-metals. Students practice drawing Lewis dot diagrams and writing ion notation. This learning exercise has 9 word problems, 8 matching...
Curated OER
Naming and Covalent Compounds
In this naming and covalent compounds learning exercise, learners name 12 compounds using a chart of polyatomic ions if needed. They also draw covalent bonds in 6 compounds and answer 6 questions about ionic bonds, covalent bonds and...
Curated OER
Atoms
In this atoms worksheet, students complete a graphic organizer by writing in the number of electrons, valence electrons, electron configuration, orbital box diagram, probability diagram, and Lewis Dot diagram for the given atoms and ions.
Curated OER
Naming and Writing Chemical Formulae-I
In this naming and writing chemical formulas worksheet, students are given directions and practice writing simple chemical formulas. They identify positive and negative valence elements, they name nonmetal compounds, they name compounds...
Curated OER
Atom Basics Test
Simple in format and standard in content, this resource is an assessment of your beginning chemists' grasp of the atom. Using a periodic table of elements, they fill in a chart of missing chemical formulas, atomic masses, and numbers of...
Curated OER
Microscale Chloride Determination in Salt Water
Students determine the concentration of chloride ions in seawater. In this determination of chloride ions lesson plan, students perform a titration of sea water with silver nitrate and an indicator to determine the chloride ion...
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between two...
Royal Society of Chemistry
Hydroxide Precipitates
When two liquids combine and a solid forms, the new substance is called a precipitate. Scholars test their knowledge of hydroxide precipitates and their properties. A series of four increasingly difficult puzzles challenge their logic...
Curated OER
Transition Metal Ions and Colour
In this transition metal worksheet, students are given equations of transition metals and their ions. Each equation shows the changes in colors of the ions when heat, salt or other substances are added to the metals.
Curated OER
Electron Dot Structures/Lewis Structures
In this elements worksheet, learners practice drawing electron dot structures for atoms. Students draw the Lewis Structures for molecules with single and multiple bonds plus polyatomic ions. This worksheet has 33 problems to solve.
Curated OER
Lewis Structures
In this chemical compounds activity, students draw and correct Lewis structure for the given compounds or ions. Students draw the resonance structure if applicable. This activity has 8 problems to solve.
Curated OER
Honors: Drawing Lewis Structures Homework
In this Lewis structures worksheet, students draw 12 Lewis dot structures for 8 compounds and 4 polyatomic ions using electrons in the outer orbitals to show bonding.
Curated OER
Science Puzzlers, Twisters, and Teasers: Chemical Bonding
What a cute approach to chemical bonding! Atoms all have human names and are attending at a dance. Who will pair up with whom? By reading the characteristics, and not the element name, chemistry whizzes figure out the bonding pairs....
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Curated OER
2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Compounds and Their Bonds
Flowing coherently, this slide show will take your chemistry aces from understanding simple covalent bonds, to naming binary and ternary compounds. Direct instruction and practice problems make this a complete lesson. Show these slides...
Curated OER
Ions in the Environment
Students explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.
Curated OER
Ion Flow in Neurons
Student perform an experiment in which they determine the velocity of ion flow in an electrotonic potential and compare it to the velocity of action potentials. They record and analyze their results.
Curated OER
The Building Blocks
This PowerPoint is a comprehensive review of all the facts related to an atom's basic structure and function. What makes this unique is that it is geared toward an audience of junior geologists. After introducing the periodic table of...
Curated OER
The Nature of Covalent Bonding
In "The Nature of Covalent Bonding," chemistry hopefuls demonstrate an understanding of various types of covalent bonds, electron configuration, and resonance structures through fill in the blank, true or false, and matching questions....
Other popular searches
- Polyatomic Ions
- Dissolved Ions
- Ion Tail
- Isotopes and Ions
- Ion Charge
- Water Chemistry Ions
- Atoms and Ions
- Suffix Ion
- Ions and Ionic Bonds
- Naming Ions
- Hydrogen Ions
- Ions and Subatomic Particles