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Oxidation Numbers
In this oxidation numbers worksheet, students determine the oxidation number for given elements and draw Lewis Dot Diagrams. This worksheet has 6 fill in the blank and 11 short answer questions.
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Exploring Atoms
In this chemistry worksheet, students complete 29 fill in the bank questions about atoms based on the movie Exploring Atoms from the website www.brainpop.com .
Virginia Department of Education
Isotopes
Lead your class through the amazing world of isotopes as they investigate the various properties they contain and further understand their respective location on the periodic table. They explore half-lives and radioactivity as each...
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Atoms, Elements, Molecules, and Compounds
In this elements instructional activity, students review the Bohr model and define negative and positive subatomic particles. Students compare molecules and compounds. This instructional activity has 11 short answer questions and 4...
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Grossmont College - Chem 115 Practice Exam 2
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
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The Periodic Table
In this periodic table instructional activity, students review the elements and how they are organized in the periodic table. This instructional activity has 10 fill in the blank, 6 multiple choice, and 5 short answer questions.
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The Periodic Table
Students examine the periodic table and how it was developed. In this chemistry activity students identify common properties and uses of elements within a family.
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Chemistry First Marking Period Review
In this chemistry review worksheet, students review terms and concepts covered. Students practice metric conversions, factor labeling, temperature conversions, heat calculations, atomic structure, and gas laws. This worksheet has 3...
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Reading the Periodic Table
Students explore the structure and function of the periodic table of elements. Though memorization drills and games, students working in pairs, identify the elements of the periodic table, their grouping, their properties and their...
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Stoichiometry
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
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Periodically Puzzling
In this periodic table worksheet, students use the list of coded letters and clues that correspond to the represented elements in the first four periods of the periodic table to complete the chart at the bottom of the sheet. They...
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Moles Worksheet
In this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...
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Periodic Trends
Students review how physical and chemical change while discussing the properties. They diagram the electron dot for the first four elements in the periodic table. Students identify elements and state what they know while investigating...
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An Alien Periodic Table
Young scholars construct a periodic table based on the physical and chemical properties of elements. In this chemistry lesson, students share their work with the class and explain why they classified the elements that way.
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Chemistry Word Search
In this chemistry instructional activity, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.
Mr. E. Science
An Introduction to Matter
What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.
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Chemical Elements
In this elements worksheet, students determine the number of moles and the number of protons, electrons, and neutrons for given atoms or ions. Students calculate the atomic weight of an element. This worksheet has 3 fill in the blank and...
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Reading the Periodic Table
Students identify the general atomic structure of an element represented on the periodic table. They examine bean and rice patterns that have been created by the teacher and posted around the room and then attempt to match the periodic...
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Periodic Table Basics
In this periodic table worksheet, students answers 10 fill in the blank questions by reading information form a periodic table. Then also complete Bohr Models of the atoms of 12 different elements.
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Periodic Table & Its Trends-Day 1
Students are introduced to the periodic table. They find the common trends among the electron configurations and the names of certain groups of the table. Students explore the atomic mass, atomic number, mass number, mass and charge...
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Making Atoms
In this atoms worksheet, students determine an atoms based on its protons, and neutrons. Students determine the electron levels for the oxygen atom. This worksheet has 1 multiple choice, 4 fill in the blank, and 13 short answer questions.
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Nuclear Reactions
Starting with a recap of atomic structure, these slides continue by comparing different isotopes of uranium and explaining which are stable and which have a decay period and emit alpha or beta particles. Gamma decay is just mentioned on...
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Isotopes of Pennies
Students demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.
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The Average Atom - Isotopes
Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.