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,...
National Institute of Open Schooling
Periodic Table and Atomic Properties
An in-depth lesson, the fourth activity in a series of 36, begins with teaching how the periodic table's arrangement came to its current design. Using this knowledge, pupils then move on to analyze the arrangement of elements to their...
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between two...
NASA
Modeling the Periodic Table
Imagine a race to complete a puzzle where each person has the same 50 pieces, knows they are missing other pieces, and must figure out how everything fits together. The winner gets fame, listed in books for years to come, and a financial...
Jefferson Lab
The Periodic Table of Elements
A study of the periodic table of elements doesn't have to be elementary! Deepen understanding of the building blocks of chemistry with an interactive periodic table. At first sight, the table looks like a standard reference page, but a...
Teach Engineering
Engineering and the Periodic Table
Elements, to the rescue! Scholars first review the periodic table, and then learn about the first 20 elements and their properties and uses in the fourth of six lessons in the Mixtures and Solutions unit. Applying their newfound...
Center for Applied Linguistics
Chemical Interactions: Atoms and Bonding
Watch budding chemists interact with the resource on chemical interactions. In the unit, six lessons provide an overview of basic chemistry, from understanding the development of atomic theory to distinguishing between ionic and covalent...
Virginia Department of Education
Chemical Bonds
How are chemical bonds similar and how are they different? Provide your young chemists with the resources to more thoroughly understand the concepts of ionic and covalent bonds. Pupils research these topics, diagram examples of each...
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
Curated OER
2000 U.S. National Chemistry Olympiad Part II
In this chemistry olympiad problem solving learning exercise, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
Curated OER
Groups of Elements
Element groups are located in the periodic table by blinking on and off. A slide is then dedicated to each of the groups, explaining which elements are included and what common chemical properties they share. This topic is presented in...
Curated OER
Periodicity (The Periodic Table)
Students investigate the properties of elements and periodicity. In this periodicity lesson plan, students observe a bag of 'elements' which are different fruits and classify them in groups and periods, show the periodic relationships...
Curated OER
Classification of the Chemical Elements
Students construct a periodic table using felt strips as elements by arranging elements based on their characteristics. In this periodic table lesson plan, students place colored strips of paper that represent elements in the proper...
Curated OER
It's the Law: Periodically
Ninth graders examine the Periodic Table. In this element activity, 9th graders observe the chemical reactivity of elements. They graph the properties and discuss the trend in the group and period of elements. The students use math to...
Curated OER
What Information is on the Periodic Table?
In this elements instructional activity, students review the information that is found on a periodic table including atomic mass, chemical symbol, atomic, number, and electron configuration. This instructional activity has 7 fill in the...
Curated OER
The Structure of Matter and the Chemical Elements
In this chemistry worksheet, students answer 73 fill in the blanks and multiple choice questions on the structure of matter and properties of elements in the periodic table.
Curated OER
Chemical Formulas
Students assess how to go from writing ionic chemical formulas to nomenclature and naming chemical compounds. They brainstorm former studies and share their thoughts in small groups. A list of everyday products (shampoos, toothpaste,...
Curated OER
Periodic Table
In this science worksheet, middle schoolers use explore the crime of the missing elements in order to become more familiar with the Periodic Table.
Curated OER
Atomic Electron Configuration and Chemical Periodicity
In this electron configuration and periodicity worksheet, students answer fifteen questions about periodic trends and they analyze orbital diagrams indicating location of electrons.
Curated OER
Chemical Elements: Student Story
In this chemical elements: student story worksheet, students complete the given story by filling in the blanks with the names of the elements in brackets.
Curated OER
Periodic Table Basics Make-Up Test
In this periodic table instructional activity, students complete a table of elements with their atomic number, atomic mass and symbol. They classify elements by their group name and distinguish between metals, nonmetals, and semi-metals....
Curated OER
Periodic Table Basics Review Sheet
In this periodic table worksheet, students complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...
Curated OER
Chemical Elements: Student Story2
In this chemical elements: student story worksheet, students complete the written story by filling in the blanks with the names of the elements in brackets.