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Catalytic Converter
Two animated slides explain the decomposition reactions that occurs within a catalytic converter. An enthalpy diagram is displayed. Hess's Law is demonstrated. Finally, the analogy of football is used to explain Hess's Law. This clever...
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Interpreting Chemical Formulas
In this chemical formulas activity, students practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This activity has 13 fill in the blank questions.
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A Guided Tour of the Periodic Table
In this periodic table worksheet, learners write the chemical symbols for the given elements, compare atomic number and mass number, and describe the importance of valence electrons in the organization of the periodic table. This...
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Water
In this water instructional activity, students compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This instructional activity has 19 short answer questions.
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Periodic Trends
Students identify the different periodic trends. In this chemistry lesson, students discuss how elements are arranged in the periodic table. They apply what they have learned in a Jeopardy team game.
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Periodic Table Patterns using Fabulous Periodic
Students explain how elements are arranged in the periodic table. In this chemistry lesson, students group the eggs according to a certain pattern. They compare this to elements in the periodic table.
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First Ionisation Energies in Group II and Period 3
For this ionisation worksheet, students complete 2 graphic organizers by filling in the proton number for given elements. Then students create 2 graphs plotting first ionisation energy against the proton number.
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Oxidation Numbers
In this oxidation numbers activity, students determine the oxidation number for given elements and draw Lewis Dot Diagrams. This activity has 6 fill in the blank and 11 short answer questions.
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Compounds and Molecules
In this compounds activity, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This activity has 1 fill in the blank and 5 short answer questions.
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Isotopes of Pennies
Pupils 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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Oh - The Bonds of Matter!
Eighth graders identify the types of bonds elements form. In this chemistry lesson, 8th graders represent valence electrons with dot structures. They draw and label different atoms.
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Understanding Oxidation Numbers
Students review atomic numbers, positive and negative charges, and the periodic table. They examine the relationships among protons and electrons, location of various elements, electron energy levels, and oxidation numbers.
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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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Chemical Reactions and Burning Fossil Fuels
In this chemistry learning exercise, students select answers to 24 multiple choice questions using the drop down box. They identify the different atoms involved in the chemical reaction.
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IPC Review
Learners discuss the difference between atoms and elements. They analyze how compounds are formed. Students discuss the difference between covalent bonds, hydrogen bonds, and ionic bonds. They review bonding with diagrams, "Atoms or...
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Bonding Basics - Covalent Bonds
In this chemistry worksheet, students complete the chart for each of the given elements by naming the number of protons, electrons, Valence electrons, and the electrons used to fill the outer shell. Then they complete each covalent bond...
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Electronegativity
Young scholars identify the type of bonding between two atoms of elements given their electronegativity values. They study the trend of electronegativity across the periodic table in small groups.
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Order, Order All Electrons
Students read the periodic table and apply their knowledge of the construction of atoms. They demonstrate reading the electron configuration of an element on the periodic file.
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Biochemistry Assignment
In this biochemistry worksheet, students complete a table by filling in the missing information about different elements. Students draw the Bohr diagram and the Lewis dot diagram for several atoms.
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Molecular Modeling
Students recognize that the fundamental building block of all organic and inorganic matter is the atom. They construct models of a sugar, fatty acid, amino acid and nucleic acid and describe their roles.
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Molecular Models
In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...
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Electron Arrangement and Ion Formation
In this elements worksheet, learners determine how electrons fill up the energy levels for the first 18 elements of the periodic table. Students determine if elements gain or lose electrons to form a stable ion. This worksheet has 4...
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Sub-Atomic Particles and Energy
In this atomic particles worksheet, students complete an elements chart comparing atomic number, mass number, protons, neutrons, and electrons. Students write the electron configuration for atoms. This worksheet has 1 graphic organizer...
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Balancing Chemical Reactions 2
In this balancing chemical reactions worksheet, high schoolers balance equations, identify electrons gained or lost in atoms and identify the number of atoms of each element for the reactants and products in equations. They also answer 3...