Curated OER
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
Periodic Table And Its Trends - Day 4
Guide your chemistry class through the periodic table so that they are able to identify atomic radii, electronegativity, and ionization energy. Give them three metals to place in water to observe reactivity. Teach them to write electron...
Virginia Department of Education
Molecular Model Building
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory.
It's About Time
How Electrons Determine Chemical Behaviors
Lead the class on an investigation as they play detective and locate patterns in the electron arrangement of atoms. During the seventh lesson, they assign valence numbers to elements, organize the periodic table in the correct sequence,...
American Chemical Society
Represent Bonding with Lewis Dot Diagrams
Lewis dot diagrams, Lewis dot structures, and electron dot diagrams are all the same thing. Young scientists learn how to draw Lewis dot diagrams and come to understand how dots and dashes represent valence electrons and ionic or...
Curated OER
Periods and Groups; Valence Electrons; Masses
In this elements worksheet, students read how the elements are organized in periods and groups in the periodic table. Students use the periodic table to find the valence electrons and calculate molecular mass. This worksheet has 20 fill...
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
Periodic Table Families
In this families of the periodic table worksheet, students complete a table with the characteristics of elements in the 10 families of the periodic table. Students fill in the blank sections using their text book as a resource. They must...
Curated OER
VSEPR Theory: Molecules with Lone Pairs
For this VSEPR theory worksheet, students build models of molecules using styrofoam balls and pipe cleaners to represent lone pairs. Students complete a chart for 12 molecules with valence electrons, Lewis structures, bond angles, lone...
Curated OER
History of the Atom
This is a tremendous overview of the tiny atom. Journey through the history of human understanding of this basic building block of matter. Examine each of the sub-atomic particles in detail: neutrons, protons, electrons, quarks. Peruse...
Curated OER
Elements, Atoms, Ions, and the Periodic Table
This PowerPoint provides a complete recap of all the information needed for a unit on elements and the periodic table. The seventy slides cover the basic notation of elements, energy levels and ionization energies. The trends in the...
Curated OER
WS 3.5 More Lewis Structures
In this Lewis structures worksheet, students draw molecular structures for twelve molecules. They determine the number of bonds in the molecular formula by following step by step directions given on the worksheet.
Curated OER
Electron Dot Structures, etc.
In this electron dot structures handout, new chemists read about electron arrangement and how to draw electron dot diagrams. They complete a chart with the mass number, atomic number, isotope notation, number of neutrons, and Bohr...
Curated OER
Bond Type
At the top of the page are a reading passage and colorful diagram that depicts the tug-of-war that occurs between bonding molecules due to electronegativity. High school chemists fill in a chart with electronegativity values, the...
Curated OER
Summary of Shapes of Molecules
Neatly organized and easy-to-read, this chart summarizes five different molecular shapes: linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral. It associates shape with electron pairs and atom arrangement, and it...
Spark Notes
Review of Chemical Bonding: Review Test
This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...
Curated OER
The Periodic Table Game
First, beginning chemists assemble a large periodic table of elements. Then, they play a game in which they roll dice, move a marker along the elements, and collect pennies according to the number of valence electrons of the element that...
Curated OER
Precipitation Stoichiometry
Learners investigate combining positive and negative ions to form products. In this precipitation stoichiometry lesson plan, students make 8 combinations of ions from a given list and predict the optimum combining ratio. They record the...
Curated OER
Lewis Structures
In this Lewis structures worksheet, students identify and describe what Lewis structures or dot diagrams are and how they illustrate the valence electrons in an outer shell. Then they use a periodic table to determine the numbers of...
Curated OER
Bonding Basics - Ionic Bonds
In this chemistry learning exercise, students complete the chart for each of the listed elements, including the number of protons, electrons, and valence electrons. Then they complete each of the ionic bonds that follows.
Curated OER
Bonding Basics - Covalent Bonds
For this chemistry worksheet, students complete the chart for each of the given elements by naming the number of protons, electrons, Valence electrons, and the electrons used to fill the outer shell. Then they complete each covalent bond...
Curated OER
Properties of the Elements
In this elements worksheet, students compare the properties of elements in the periodic table such as their atomic radii, valence electrons and ionization energy.
Curated OER
Elements
In this elements instructional activity, students write the complete electronic configuration and the number of valence electrons for elements. Students classify elements based on their electronic configuration. This instructional...