New Mexico Standards
NM.II. Content of Science: Physical Science: Understand the structure and properties of matter, the characteristics of energy, and the interactions between matter and energy.
II-A. Know the forms and properties of matter and how matter interacts.
II-A.3a. Properties of Matter: Understand the differences among elements, compounds, and mixtures by: classification of materials as elements, compounds, or mixtures; interpretation of chemical formulas; separation of mixtures into compounds by methods including evaporation, filtration, screening, and magnetism.
II-A.6a. Structure of Matter: Know that compounds are made of two or more elements, but not all sets of elements can combine to form compounds.