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Average Atomic Mass
In this average atomic mass worksheet, students read about how the protons and neutrons make up the atomic mass of an element. They find the average atomic mass given four problems.
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The Bohr Model vs. the Wave Mechanical Model
In this Bohr model and wave mechanical model activity, students read about the differences between these two models of the atom. Students answer four questions about these models.
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Analyzing the Bohr Atom
In this Bohr atom worksheet, students complete a table with the number of electrons of the element, the electron configuration, the mass number, the number of protons, the number of neutrons, the element, the symbol and the isotope...
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Ionic Bonds
In this ionic bond worksheet, students read about the transfer of electrons from one atom to another in ionic bonds. They answer seven questions about sodium and chlorine and draw Bohr-Rutherford diagrams to show the bonding between...
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How Bonds Form
In this bonding worksheet, students read about the attraction of electrons to the protons in other atoms to gain, lose or share electrons in bonds. Students answer eight questions about bonding using the reading and their knowledge of...
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Losing and Gaining Electrons
In this electron worksheet, students read about how atoms lose and gain electrons and how they become ions. They are given a table with nine elements and they give the electron configuration, the number of electrons, the number of...
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What is in the Water?
In this mixtures activity, students read about mixture and what determines if a solute dissolves in a solvent. They answer three questions about solutions and determine from a list of compounds which are soluble in water.
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Dissolving Solids and Gases
In this dissolving solids and gases worksheet, students learn that the process of dissolving gas is opposite of the process of dissolving solids. Students answer 3 critical thinking questions about dissolving gases and solids in solutions.
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Solubility Curves
In this solubility curve worksheet, learners are given a solubility curve for a variety of compounds and they answer 17 questions about the solubility of the compounds shown.
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Working with Half-Life
In this half-life worksheet, high schoolers use a given table of half lives, mass, time and amount of original sample to solve for unknowns in nine given half-life problems.
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Phase Changes
In this phase change activity, learners read about the particles in substances that speed up and slow down for substances to change phases. They answer eight questions about phase changes, the states of matter and how changing...
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Applying the Gas Laws
In this gas laws worksheet, students solve eleven problems using the various gas laws to find temperature, pressure, and volume of gases.
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Vapor Pressure
In this vapor pressure learning exercise, learners use a given graph of the vapor pressure of four liquids to answer eleven questions. They compare and find boiling points and vapor pressures of propanone, ethanol, water, and ethanoic acid.
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Heating/Cooling Curve
In this heating and cooling curve instructional activity, students use a given graph of a substance being heated from a solid to a liquid and then a gas over time. They use the graph to answer eleven questions about the phases of the...
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Using the Combined Gas Law
In this combined gas law activity, students use the relationship between temperature, pressure and volume to complete a table using the combined gas law. They find volumes, pressure and temperature of substances given two of the...
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The Kelvin Scale
In this Kelvin scale worksheet, students read about the relationship between the Celsius scale and the Kelvin scale. They are given the equations to convert from one scale to the other. They find the equivalents for temperatures measured...
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Calculating Joules
In this calculating joules worksheet, students read about the relationship between mass, temperature change, specific heat and energy. They find the number of joules needed to heat water in five different problems using the given...
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Comparing Solids, Liquids, and Gases
In this solids, liquids and gases worksheet, students observe a teacher demonstration about gases and they experiment with liquids to show diffusion, shape and volume. They answer nine questions about the experiments related to solids,...
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Finding the Oxidation State
In this oxidation state instructional activity, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the...
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Finding Concentration
In this determining concentration activity, students are given the equations to find the concentration of a solution in grams per milliliter, to determine the concentration in parts per million, to determine percent mass and percent...
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Molarity
In this molarity instructional activity, students are given the equation to find moles per liter of solution. They solve ten problems finding molarity of solutions, moles needed to make particular molar solutions and mass needed to make...
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Analyzing Oxidation-Reduction Reactions
In this oxidation-reduction reactions worksheet, students read about reactions where elements gain and lose electrons. When elements gain electrons they are reduced and when the lose electrons the elements are oxidized. They are given...
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Writing Half Reactions
In this half reactions activity, students read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and they...
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A Salt and Battery
In this battery activity, students read about oxidation-reduction reactions and voltaic cells. They are given a diagram of an electrochemical cell and they answer four questions using the cell. They also identify the anode given two...
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