Beyond Benign
Electron Transitions
Ready for a lab with a lot of razzle-dazzle? Young chemists observe flame tests of common salts through an always-popular activity. The updated resource focuses on observation skills, collaboration, and green chemistry practices.
Curated OER
The Periodic Table, Electrons, and Chemical Bonds
Four activities immerse beginning chemists into the world of elements. They examine the periodic table, use cobalt hydroxide to learn about chemical formulae and valence electrons. Also, they name binary compounds and examine the...
Curated OER
Periodic Table
In this periodic table and elements learning exercise, students review valence electrons, octet rule, oxidation number, and the difference between metals and non-metals on the periodic table. This learning exercise has 5 matching, 20...
Curated OER
Writing Lewis Structures
In this Lewis structures worksheet, high schoolers read about drawing Lewis structures and how to identify valence electrons. They draw Lewis structures for eight given compounds.
Curated OER
What do Atoms Look Like?
In this atoms worksheet, students complete 58 questions about the atomic radius of atoms, the ionization energy, the valence electrons, metals, non-metals and semi-metals and the families of elements.
Curated OER
Bonding Basics Review
In this bonding activity, students 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
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...
K20 LEARN
Periodic Shuffle: Introduction to Periodicity and Electron Configuration
No matter how you shuffle the elements, their electron configurations keep them in the same order. How can that be? Introduce the concept of periodicity through a instructional activity that combines inquiry, discussion, and comparison....
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...
Curated OER
Worksheet 13 - Chemical Bonding
Here is a thorough review of chemical bonding! Seventeen problems query chemistry learners about electron configuration and ionic bonding, sharing electrons and covalent bonding. Chemistry masters draw Lewis dot diagrams and answer...
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...
Concord Consortium
Electron Geometry
It's time to whip your chemistry class into shape! Begin your study of molecular geometry with a colorful, 3-D interactive. The resource shows models of linear, trigonal planar, and tetrahedral molecules.
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...
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
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...
Virginia Department of Education
Elements and Electron Configuration
It's electronic! Pupils uncover elements and their electron configurations as they explore mass, groupings, correct charges, and sliding theory. Young scientists learn creative ways to remember various elements and correctly classify...
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
Size of Atoms - Trends
This compendious collection of slides leaves no questions when it comes to the concept of atomic size. Thorough and easy-to-read graphs, tables, and graphics explain atomic radii, the shielding effect, the octet rule, isoelectric...
Curated OER
Electron Structure of the Atom
In this atoms worksheet, students determine the energy difference between levels and draw diagrams of the different types of orbitals. Students determine the ground state electron configuration for given elements. This worksheet has 14...
Curated OER
Predicting Molecular Shapes
In this molecular shapes worksheet, learners read about how to predict molecular shapes in molecules based on the number of electron pairs and the VSEPR theory. Students are given twelve molecules, they draw the Lewis structures and...
Curated OER
How Bonds Form
In this bonding worksheet, 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 knowledge of...
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