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Worksheet
Curated OER

What is Matter?

For Students 7th - 9th
Four diagrams of the atom and their subatomic particles and structures are given here and students should be able to complete the labels need to define the structures shown. The main structures defined are protons, neutrons, electrons,...
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Worksheet
Curated OER

Chemical Formula Practice #1/Bonding Basics Practice Page

For Students 9th - 12th
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
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Worksheet
Curated OER

Organic Chemistry 231, Martin Larter, Exam 1

For Students 9th - Higher Ed
If you need a straightforward and comprehensive organic chemistry exam, check this one out. Chemistry pupils identify functional groups in molecule diagrams, draw a Lewis structure, fill in a table about molecular shape, predict boiling...
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Worksheet
Curated OER

Chemistry 116 Exam 1, Spring 2009

For Students Higher Ed
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
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Worksheet
Curated OER

Chemical Bonding in Alkanes

For Students Higher Ed
In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. They answer three questions about valence...
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Worksheet
Curated OER

Nuclear Arithmetic

For Students 9th - 12th
In "Nuclear Arthmetic," first-time physical scientists examine atomic structure and the periodic table of elements. The are given the formula, "N = A-Z," in which N is the number of neutrons, A is the atomic mass, and Z is the atomic...
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Worksheet
Curated OER

Chemistry 116 Exam 2 Summer 2009

For Students 11th - Higher Ed
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
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Worksheet
Curated OER

Electron Orbital Diagrams

For Students 6th
In this drawing orbital diagrams worksheet, 6th graders draw the electron configuration and orbital based on sublevels for given atoms. Students draw 8 orbital diagrams.
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Activity
It's About Time

What Determines and Limits an Atom's Mass?

For Teachers 7th - 12th Standards
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
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Organizer
Curated OER

Covalent and Ionic Bonding:Electron Dot Structures with Ionic Notation

For Students 10th - Higher Ed
After drawing the valence electron distribution of 13 basic elements, there are spaces to draw 18 more complicated molecules.  For each molecule, there is space for a Dot structure and Lewis structure that best describes the distribution...
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Worksheet
Curated OER

The Atoms Family Album

For Students 5th - 7th
In the atom worksheet, students read a story about the "Atoms Family" and are given descriptions of the structures of atoms through the story. Students interpret the descriptions by drawing the described atom structure, they name of the...
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Worksheet
Curated OER

What Do Atoms Look Like?

For Students 9th - 12th
In this atomic structure worksheet, high schoolers answer eleven short answer questions about the structure of atoms including the number of protons, neutrons and electrons. Students indicate the differences in isotopes of atoms and what...
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Worksheet
Curated OER

The Story of the Atom

For Students 5th - 12th
In this atom activity, students explain how different scientists added to our knowledge of the atom, specifically the structure and parts of an atom. This activity has 4 matching and 5 short answer questions.
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Lesson Plan
Aquarium of the Pacific

Lego Molecules

For Teachers 4th - 6th Standards
Young scientists construct an understanding of molecular compounds in this hands-on science lesson. Using LEGO® to model the atoms of different elements, young scholars build molecules based on the chemical formulas of common compounds.
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Worksheet
Curated OER

Atoms-How Sweet They Are!

For Students 8th - 10th
In this atoms and sugar molecules worksheet, students are given the structural composition of the sugar molecule maltose. They determine the number of each type of atom in the molecule, they find the ratio of hydrogen to oxygen atoms and...
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Lesson Plan
Curated OER

Writing Resonance Structures

For Teachers 9th - 12th
In this resonance structures worksheet, learners are given 4 rules to writing resonance structures. These include rules about electrons associated with atoms, the unpaired electrons, structures without octets and structures with more...
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Worksheet
Curated OER

Why Do Atoms Combine?

For Students 8th - 12th
In this atom worksheet, students will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
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Worksheet
Curated OER

Atomic Structure

For Students 10th - 12th
In this atomic structure worksheet, students select answers to 8 fill in the blank questions on subatomic particles from the drop down box.
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Worksheet
Curated OER

More Practice on Lewis Structures and Formal Charges

For Students 9th - 12th
In this chemistry worksheet, students practice creating the correct chemical compounds in theory using the lewis structures in the applied problems.
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Worksheet
Curated OER

Lewis Structures

For Students 10th - 11th
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...
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Worksheet
Curated OER

Atomic Theory, Structure, and Symbols

For Students 10th - Higher Ed
In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
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Worksheet
Curated OER

Lewis Structures, VSEPR, Polarity, IM Forces

For Students 10th - Higher Ed
In this compounds worksheet, learners draw the Lewis structures, indicating the molecular polarity and the major intermolecular force in each compound. This worksheet has 10 problems to solve.
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Worksheet
Curated OER

Lewis Structures

For Students 10th - Higher Ed
For this compounds worksheet, students draw the Lewis structure and alternate resonance structures and then give the geometry and hybridization for the underlined atom. This worksheet has 9 problems to solve.
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Worksheet
Curated OER

Lewis Structure Worksheet

For Students 10th - 12th
In this chemistry worksheet, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.

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