National Evaluation Series™ Profile: Chemistry (821)

Descriptive Statements:

• Demonstrate knowledge of the arrangements, movements, and interactions of particles in solids, liquids, and gases.
• Apply knowledge of the basic principles of the kinetic molecular theory to explain phase changes and analyze phase diagrams.
• Analyze heating and cooling curves qualitatively and quantitatively.
• Apply knowledge of the properties of ideal and real gases and solve problems related to gas law relationships for ideal gases.
• Apply knowledge of the use of science and engineering practices in exploring and understanding content related to Objective 0010, such as asking questions and defining problems, developing and using models, planning and safely conducting investigations, analyzing and interpreting data, using mathematics and computational thinking, constructing explanations and designing solutions, engaging in argument from evidence, and communicating and evaluating data and conclusions.

Descriptive Statements:

• Apply knowledge of the characteristics of different types of intermolecular forces (i.e., dispersion, dipole-dipole, hydrogen bonding, and ion-dipole).
• Predict the forces present between molecules, atoms, and ions.
• Analyze factors that affect solubility (e.g., polarity, molecular shape, particle size).
• Apply knowledge of the use of science and engineering practices in exploring and understanding content related to Objective 0011, such as asking questions and defining problems, developing and using models, planning and safely conducting investigations, analyzing and interpreting data, using mathematics and computational thinking, constructing explanations and designing solutions, engaging in argument from evidence, and communicating and evaluating data and conclusions.

Sample Item:

Descriptive Statements:

• Demonstrate an understanding of the dynamic nature of equilibrium and how it relates to concentration, pressure, volume, and temperature, as well as the presence of a catalyst.
• Apply knowledge of Le Chatelier's principle to chemical systems.
• Solve equilibrium problems and predict how the equilibrium constant relates to the extent of a reaction.
• Predict the direction in which a reaction will proceed to reach equilibrium by comparing the equilibrium constant with a reaction quotient.
• Demonstrate knowledge of the principles and applications of equilibrium systems (e.g., buffers, Haber process).
• Apply knowledge of the use of science and engineering practices in exploring and understanding content related to Objective 0012, such as asking questions and defining problems, developing and using models, planning and safely conducting investigations, analyzing and interpreting data, using mathematics and computational thinking, constructing explanations and designing solutions, engaging in argument from evidence, and communicating and evaluating data and conclusions.

Sample Item: