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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
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Worksheet
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Science Puzzlers, Twisters, and Teasers: Chemical Bonding

For Students 7th - 10th
What a cute approach to chemical bonding! Atoms all have human names and are attending at a dance. Who will pair up with whom? By reading the characteristics, and not the element name, chemistry whizzes figure out the bonding pairs....
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Worksheet
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Ranking Molecular Properties Based Upon Intermolecular Forces

For Students 11th - Higher Ed
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...
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Worksheet
Curated OER

Bond Type

For Students 9th - 12th
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...
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Worksheet
Curated OER

8.4 Section Review ~ Polar Bonds and Molecules

For Students 9th - 12th
A very neat worksheet has been produced by Pearson Education, Inc. for use in a general chemistry class. The first nine questions are fill in the blanks for a paragraph about types of bonds and electronegativity. Five true-false...
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PPT
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Curated OER

Summary of Periodic Trends

For Teachers 8th - 12th
This concise collection of images speaks volumes about the trends in the periodic table of elements. Different versions of the periodic table are displayed demonstrating different trends. Teachers' notes are included to assist your...
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PPT
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Curated OER

Chemical Compounds

For Teachers 9th - 12th
Your young chemists will find these slides very informative. Groups and periods of the periodic table are labeled and described according to the charge. Comprehensive explanations of physical and chemical properties and how they relate...
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Worksheet
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Worksheet 13 - Chemical Bonding

For Students 9th - 12th
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...
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Worksheet
Curated OER

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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PPT
Curated OER

The Periodic Table

For Teachers 9th - 12th
A huge collection of slides introduces chemistry learners to the periodic table of elements, electron configuration, and electronegativity. It opens with the history of today's periodic table, and then details the arrangement. After...
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Worksheet
Curated OER

Periodic Trends

For Students 9th - 12th
Thorough explanations of the trends in the periodic table of elements make up the majority of this handout. Atomic and ionic size, ionization energy, electron affinity, and electronegativity are presented before giving chemistry...
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PPT
Curated OER

Polyatomic Ions

For Teachers 9th - 12th
Opening with a chart of common polyatomic ions, and finishing with an explanation of how  to name polyatomic ions, this presentation is to the point. The links on the vocabulary page do not work, leaving you only a few slides to work...
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Worksheet
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How Do Atoms Stick Together?

For Students 10th - 12th
In this chemical bonding worksheet, students answer 76 questions about compounds, Lewis dot structures, intermolecular forces between atoms, electronegativity and bonding and types of bonds.
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Worksheet
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Electonegativity-How Do Atoms Stick Together?

For Students 9th - 12th
In this electronegativity worksheet, high schoolers use given electronegativity values for each element to determine the bond type in 9 molecules.
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Worksheet
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Trends in the Periodic Table

For Students 9th - 12th
In this trends in the periodic table worksheet, students plot the ionization energy vs. atomic number and they plot atomic radius vs. atomic number of the first 20 elements. Students analyze their graphs and answer questions about the...
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Worksheet
Curated OER

Electronegativity

For Students 9th - 12th
In this electronegativity worksheet, students complete a chart given 10 molecules. They draw their Lewis structures, they draw the shape of the molecule, they determine the difference in electronegativity between the bonds, they...
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Worksheet
Curated OER

Periodic Table Quiz Review Sheet

For Students 9th - 12th
In this periodic table activity, students answer 10 questions about electronegativity, the groups of elements, atomic radius trends, electronegativity trends, ionization energy trends and properties of the elements.
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Worksheet
Curated OER

Intermolecular Forces

For Students 9th - 12th
In this intermolecular forces worksheet, students perform a simple experiment with water to observe the intermolecular forces that hold water together as they fill a beaker as much as possible. They explain the results of their...
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Worksheet
Curated OER

Honors Chemistry-Covalent Bonding Study Guide I

For Students 10th - 12th
In this covalent bonding worksheet, students answer questions about types of bonds, electronegativity, valence electrons, and Lewis dot structures. They answer specific questions about covalent bonds in molecules and explain the...
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Lesson Plan
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Laboratory: Modeling Molecular Shapes

For Teachers 10th - 12th
In this molecules worksheet, students answer post lab questions about types of bonds, factors that determine polarity and molecular geometry. They calculate electronegativity differences in atoms and determine the types of bonds between...
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Worksheet
Curated OER

Atomic Trend Practice

For Students 10th - 12th
For this atomic trend worksheet, students answer questions about trends in the periodic table such as ionization energy, atomic radii and electronegativity. They are given tables of elements and ions and they must identify which ones...
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Worksheet
Curated OER

Periodic Table Trends

For Students Higher Ed
In this periodic trends learning exercise, students solve ten problems related to elements in the periodic table. Students write electron configurations for atoms and they compare elements and their periodic trends.
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Worksheet
Curated OER

Unit 4 - Periodic Table

For Students 6th - 10th
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
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Worksheet
Curated OER

Covalent Bonds

For Students 9th - 12th
After a short introduction, chemistry aces get right into drawing electron dot diagrams for covalent bonds. There are only three questions to answer, so this is not a comprehensive worksheet. It can be used when introducing your class to...