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Develop models to describe the atomic composition of simple molecules and extended structures.

Performance Expectation

Grade: 
Middle School (6-8)
Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.

Performance Expectation

Grade: 
Middle School (6-8)
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

Performance Expectation

Grade: 
High School (9-12)
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

Performance Expectation

Grade: 
High School (9-12)
Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.

Performance Expectation

Grade: 
High School (9-12)