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Where are the Electrons?
In this electrons worksheet, students complete a graphic organizer to show the pattern of the principal energy levels, number of orbitals, and electrons in each sublevel of atoms.
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Atomic Theory, Structure, and Symbols
In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
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Ionic Bonding
In this ionic bonding worksheet, students observe diagrams about ionic bonds and crystal formation. They answer 37 short answer questions about the properties of monatomic ions, polytomic ions and write correct formulas.
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Animated Chemical Bonding
Students demonstrate their understanding of a chemical process. In this exploratory lesson students create a clay animation that shows how a specific type of chemical bond.
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Chemistry 301
In this chemistry 301 worksheet, students answer questions as it relates to the electron configuration of given elements. Students use the periodic table to assist in their interpretation of the questions provided.
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Atomic Structure
In this atomic structure worksheet, students use the periodic table to complete a chart for 11 elements/ions in terms of atomic number, number of protons, neutrons and electrons.
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Brain POP - Water
For this properties of water worksheet, students complete 11 fill in the blank and 5 matching questions about surface tension, water hardness and water trivia.
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Activity #3 Are Particles "Real?"
Students verbalize a simple particle theory, They apply their particle theory to explain what happens during chemical reactions and how this theory supports the law of conservation of matter. Pupils comprehend that the atomic theory,...
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Bonding Basics Review
In this bonding worksheet, students complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of...
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Periodic Table
In this periodic table worksheet, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.
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Chemistry & The Community
Students complete a Webquest which investigates the chemistry in items such as shampoo. They research the Internet, perform a lab experiment, and write a scientific lab report with their findings. Upon completion of the activities, the...
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Chemical Reactions
In this chemical reaction worksheet, students investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and after...
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Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
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Drawing Lewis Structures
In this drawing Lewis structures worksheet, students read about the 5 steps taken to draw Lewis structures for atoms and molecules. These include identifying the valence electrons, placing pairs of electrons between atoms to be bonded,...
Texas State Energy Conservation Office
Fueling the Future
Future mechanical engineers and automotive technicians read about various solutions to using gasoline in cars. Included are electric, fuel-cell-powered, and hybrid vehicles.
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Oh - The Bonds of Matter!
Eighth graders identify the types of bonds elements form. In this chemistry activity, 8th graders represent valence electrons with dot structures. They draw and label different atoms.
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Why Do Atoms Combine?
In this atom worksheet, learners will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
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The Story of the Atom
For this atom worksheet, students read about the model of the atom developed by Neils Bohr. Students complete 2 short answer questions based on what they read.
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The Life Cycle of a Star
In this stars worksheet, students read about the different stages in the life cycle of a star. Then students complete 3 short answer questions.
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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.
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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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Electron Arrangement in Atoms
For this electron configuration worksheet, students fill in 10 blanks with the appropriate terms, they determine if 6 statements are true or false, they match 5 terms with their meanings and they answer two questions about electron...
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Rock of Ages
Students use a video, the Internet and hands-on activities to explore how to determine the age of rocks and fossils based on radioactive decay data.
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Electron Structure of the Atom
In this atoms worksheet, students determine the energy difference between levels and draw diagrams of the different types of orbitals. Students determine the ground state electron configuration for given elements. This worksheet has 14...