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In the General, Organic and Biological Chemistry (GOB) Lab Kit: Lewis Structures and Molecular Geometry, molecular models will be studied to visualize the shapes of molecules and to sketch their three-dimensional structures.

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General, Organic and Biological Chemistry Molecules have shape! The structure and shape of a molecule influence its physical properties and affect its chemical behavior as. Lewis structures and VSEPR theory offer useful models for visualizing the structures of covalent compounds. Students practice drawing Lewis structures of molecules and use these structures to predict their molecular geometry. Molecular models will be studied to visualize the shapes of molecules and to sketch their three-dimensional structures. Complete for six student groups.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Patterns
Systems and system models

Performance Expectations

MS-PS1-1. Develop models to describe the atomic composition of simple molecules and extended structures.
HS-PS1-1. 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.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.