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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
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...
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Lesson Plan
Curated OER

Atomic Musical Chairs

For Teachers 5th - 8th
An engaging activity enlightens young chemists in this lesson on atomic structure. They play musical chairs through a series of concentric circles that represent electon orbitals. A laundry basket in the middle holds the protons and...
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Worksheet
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The Atoms Family ~ Atomic Math Challenge

For Students 5th - 8th
Bold boxes present parts of the periodic table, with some of the contents conveniently missing. Beginning chemists fill in the blanks, which may include the atomic number, atomic mass, atomic symbol, or element name. Beneath each box...
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Lesson Plan
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Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007

For Teachers 9th - 12th
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
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Lesson Plan
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Gumdrop Crystal Models

For Teachers 9th - 12th
A great way to learn about molecular structures is to make a model. Gumdrops and toothpicks are used to construct crystal models. The models are based on theories of crystal shapes that occur because of positive and or negatively charged...
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Worksheet
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Typical Numeric Questions for Physics I - Photoelectric Effect

For Students 10th - 12th
As the title implies, here is a collection of typical photoelectric effect problems that physics learners need to be able to solve. They determine the amount of energy of a photon, the photons produced per second, the frequency required...
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Lesson Plan
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Carbon Atom Mobile

For Teachers 4th - 12th
Students research the element of carbon, its composition, and the importance of carbon to life on earth. Then they design model mobiles of carbon atoms to demonstrate their understanding of the configuration of protons, neutrons, and...
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Worksheet
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The Atom Board - Making Atoms

For Students 5th - 12th
In this atom worksheet, chemists learn how to determine the number of protons, neutrons and electrons in an atom using the atomic mass and atomic number. They complete a chart of the subatomic particles and use marbles to represent...
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Worksheet
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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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Interactive
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All About Circuits ~ Atomic Structure

For Students 10th - Higher Ed
In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...
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Lesson Plan
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Atomic Structure and Ionic Bonding (A Visual Approach)

For Teachers 8th
Using toothpicks, marshmallows, and round colored sticky dots, physical science enthusiasts build models of an atomic nucleus. In this eighth grade chemistry lesson plan, they play an atom-naming game with the models that they have...
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Lesson Plan
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Atoms and Elements: An Introduction

For Teachers 9th - 12th
Students are able to discuss the difference between a proton, a neutron and an electron. They also can explain the difference between an ionic and a covalent bond. Students know the main structure of atoms and molecules. Student are able...
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Worksheet
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Electron Orbital Diagrams

For Students 6th
In this drawing orbital diagrams instructional activity, 6th graders draw the electron configuration and orbital based on sublevels for given atoms. Students draw 8 orbital diagrams.
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Worksheet
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Chemical Context of Life & Water

For Students 9th - 12th
Some basic chemistry concepts are fundamental to understanding biology. Learners explore how molecular structure plays a role in biological processes, especially the structure of the water molecule. The final page focuses on water's...
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Worksheet
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An Electron's Address

For Students 9th - 12th
Where does an electron reside? Chemistry scholars determine an electron's "address," that is, what orbital it can be found in. This resource is both instructional and practical,  providing a thorough explanation of energy levels and...
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Lesson Plan
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Get Charged!

For Teachers 4th - 8th
Students explore the concept of electricity in this activity based unit.  In this physical science lesson, students focus on electricity and electrical engineering. The teaching unit includes 5 activities to develop students conceptual...
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Worksheet
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Periodic Trends

For Students 10th - Higher Ed
Chemists compare the electronegativity, ionization energy, electron affinity, and ionic radius of different elements. This worksheet is composed of 11 multiple choice questions, and 8 written explanations. Critical thinking skills are...
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Worksheet
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Distinguishing Between Atoms

For Students 8th - 12th
Every type of question is used to query young chemists about atomic structure. A vocabulary list tops the page before fill in the blanks, true/false, and matching questions are listed. This is a neatly formatted and pertinent...
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Organizer
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Chemistry: Atomic Number and Mass Number

For Students 6th - 12th
All you will find here is a simplistic chart of 17 elements (hydrogen is repeated) for chemistry beginners to fill in. They list atomic number, mass, and the numbers of protons and electrons. There are three critical thinking questions...
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Worksheet
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Protons, Neutrons and Electrons Homework

For Students 5th - 12th
Perfect for reviewing atomic components, this activity simply consists of a large, easy-to-read chart of 11 elements. Chemistry learners fill in the missing element symbol, number of protons, neutrons, and electrons, the atomic mass and...
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Lesson Plan
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Protons, Neutrons, and Electrons

For Teachers 7th - 9th
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...
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Worksheet
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Electron Arrangement Worksheet

For Students 7th - 12th
In this electron worksheet students complete an orbital diagram and electron configuration using a set of chemicals on the periodic table.
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Worksheet
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Quantum Numbers and Electron Configuration Worksheet

For Students 9th - Higher Ed
In this electron instructional activity learners find values for the given letters including their subshells and in which orbital it occurs. 
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Worksheet
Curated OER

Chemistry: Atoms

For Students 6th - 12th
In this chemistry learning exercise students complete a series of multiple choice and short answer questions on elements, chemical reactions and balancing equations.