American Chemical Society
Energy Levels, Electrons, and Ionic Boding
Learners see how electrons are transferred in the bonding of NaCl. They then create models of NaCl using styrofoam balls and toothpicks to assist them in explaining the formation of ions and ionic bonding.
Curated OER
Protons, Neutrons, and Electrons
Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...
Science Geek
The Dual Nature of the Electron
Why don't atoms collapse? Scientists debated this concept for years before they understood the dual nature of the electron. Presentation discusses the electron as both a particle and an energy wave. It also relates these concepts to the...
Curated OER
Losing and Gaining Electrons
In this electron worksheet, students read about how atoms lose and gain electrons and how they become ions. They are given a table with nine elements and they give the electron configuration, the number of electrons, the number of...
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Analyzing Oxidation-Reduction Reactions
In this oxidation-reduction reactions activity, students read about reactions where elements gain and lose electrons. When elements gain electrons they are reduced and when the lose electrons the elements are oxidized. They are given...
Science Matters
Static Electricity
Working with static electricity is sure to give the class a charge! Budding scientists experiment with balloons and different materials to discover how to create static electricity. They learn about the transfer of electrons and the...
Curated OER
Periodic Table
In this periodic table and elements worksheet, students review valence electrons, octet rule, oxidation number, and the difference between metals and non-metals on the periodic table. This worksheet has 5 matching, 20 fill in the blank,...
Curated OER
Electricity
For this electricity worksheet, students answer 17 questions about charges on atoms, their number of protons and electrons, the attraction of atoms or objects when charged, the electricity between two objects, grounding and insulating.
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Electron Arrangement and Ion Formation
In this elements worksheet, students determine how electrons fill up the energy levels for the first 18 elements of the periodic table. Students determine if elements gain or lose electrons to form a stable ion. This worksheet has 4...
Curated OER
Bonding Basics Review
In this bonding worksheet, learners complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of...
Curated OER
More Atomic Fractions
In this atomic fractions worksheet, students use the atomic ladder rule to solve 8 problems where they determine the energy gained or lost in each atom as electrons jump from one energy level to another.
Curated OER
How Bonds Form
In this bonding instructional activity, students read about the attraction of electrons to the protons in other atoms to gain, lose or share electrons in bonds. Students answer eight questions about bonding using the reading and their...
Curated OER
Atomic Fractions-III
In this atomic fractions activity, students read about electrons and energy levels. Students find all the possible energies that an electron could lose as it jumped from one energy level to another based on a given diagram. They tabulate...
Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint worksheet, learners read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
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Ion (Derstand) Bonding through Energy Level Diagrams
Ninth graders investigate ionic bonding through energy level diagrams. In this ion bonding lesson plan, 9th graders observe demonstrations to show energy level diagrams using magnets to represent the subatomic particles. Students fill...
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
Electrons
Students discover that there are many facets to the electron in chemistry such as electron cloud. They view movies an animations of electrons. Students visit links pertaining to electrons.
Curated OER
Cellular Respiration
Students are often confused by the huge amount of information and detail that can be learned about respiration. This is a great presentation summarizing the main 4 stages of cellular respiration. It is clear and uses diagrams and labels...
Curated OER
Elements and Bonding Worksheet
In this elements and bonding worksheet, students classify given elements, they identify valence electrons in atoms, they explain the reactivity of elements, and they explain why certain atoms gain electrons while others lose electrons.
Curated OER
Balancing Chemical Reactions 2
In this balancing chemical reactions worksheet, learners balance equations, identify electrons gained or lost in atoms and identify the number of atoms of each element for the reactants and products in equations. They also answer 3...
Curated OER
Practice with Ions
In this ions worksheet, students answer questions about atoms that have gained or lost electrons, they find the number of electrons atoms tend to gain or lose and they answer questions about bonding in atoms. They answer 6 questions...
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What are the Trends in the Periodic Table?
In this periodic trends worksheet, students fill out a portion of a periodic table with the atomic number, the atomic radius, the number of shells and the number of outer shell electrons for each element shown. They answer six questions...
Curated OER
Energy Levels and Electron Configurations
Twelfth graders investigate the proper filling order of electrons in the energy levels of an atom. They practice how to "read" these occupied energy levels as electron configurations and demonstrate their understanding through creative...
Curated OER
Periodic Table
In this periodic table worksheet, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.