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Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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Assessment
Curated OER

2009 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
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...
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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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Lesson Plan
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The Photoelectric Effect in Photocells

For Teachers 9th - 12th
Illuminate your physics class with this examination of a photovoltaic cell. Teach the structure and operation of the device using a diagram. Then make a human-powered, larger-than-life sized model of a PV cell. Learners become electrons...
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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
Curated OER

Elements, Atoms, Ions, and the Periodic Table

For Teachers 9th - 11th
This PowerPoint provides a complete recap of all the information needed for a unit on elements and the periodic table. The seventy slides cover the basic notation of elements, energy levels and ionization energies. The trends in the...
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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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Worksheet
Curated OER

What do Atoms Look Like?

For Students 9th - 12th
In this atoms worksheet, learners 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.
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Worksheet
Curated OER

What do Atoms Look Like?

For Students 9th - 12th
In this atom activity, high schoolers complete 60 questions about the trends in atoms such as ionization energy and atomic radius, about valence electrons, about the families of elements, about metals, non-metals and semi-metals, about...
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Worksheet
Curated OER

How Do Atoms Stick Together?

For Students 9th - 12th
In this chemical bonding activity, learners answer 10 questions about ionic bonding, covalent bonding, metallic bonding, Lewis structures, and intermolecular forces.
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Worksheet
Curated OER

Trends in the Periodic Table

For Students 9th - 12th
In this trends in the periodic table instructional activity, high schoolers 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...
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Worksheet
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The Properties of Metals

For Students 9th - 12th
In this properties of metals worksheet, students read about the history of metal use and their properties. Students read about metallic bonding and answer three questions about bonding in metals.
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Worksheet
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Main Group: Properties and Reactivity

For Students 8th - 9th
In this main group worksheet, students apply their knowledge of the organization of the periodic table to correctly answer 30 multiple choice questions. Students relate information about the properties of the different groups and their...
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Worksheet
Curated OER

Atomic Trend Practice

For Students 10th - 12th
In 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 have...
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Worksheet
Curated OER

Atomic Electron Configuration and Chemical Periodicity

For Students 11th - Higher Ed
In this electron configuration and periodicity worksheet, students answer fifteen questions about periodic trends and they analyze orbital diagrams indicating location of electrons.
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Worksheet
Curated OER

Periodic Table Trends

For Students Higher Ed
In this periodic trends worksheet, 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

Periodic Trends

For Students 10th - Higher Ed
In this periodic trends worksheet, students determine the trends of electronegativity in the periodic table. Students compare electronegativity and ionization energy. This worksheet has 6 problems to solve.
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Worksheet
Curated OER

Properties of the Elements

For Students 10th - 12th
In this elements worksheet, students compare the properties of elements in the periodic table such as their atomic radii, valence electrons and ionization energy.
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Organizer
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Ionization Energies in Group I and Period 2

For Students 9th - Higher Ed
In this electron arrangement worksheet, students complete 2 graphic organizers by determining the proton number of given elements from their first ionization energy. Students plot graphs of first ionization energy against the proton number.
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Worksheet
Curated OER

Electromagnetic Radiation and the Bohr Atom

For Students Higher Ed
In this light worksheet, students calculate the frequency and wavelength. Students practice applying Planck's constant and determining the energy of a photon. This worksheet has 9 problems to solve.