• Resource ID: CM1L5
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Periodic Table Families

    Given descriptions or specific element groups, students will use a Periodic Table to relate properties of chemical families to position on the table.

    • Resource ID: CM2L1
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Atomic Theory: Dalton, Thomson and Rutherford


    Given scenarios or summaries of historical events leading to modern-day atomic theory, students will identify the author and experimental design of each and the conclusion drawn from these experiments.

    • Resource ID: CM3L3
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Covalent Bonding: Electron Dot Diagrams

    Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).

    • Resource ID: CM3L7
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Nomenclature of Ionic Compounds

    Given descriptors, diagrams. or scenarios, students will write and name the chemical formulas of common polyatomic ions and ionic compounds containing main group or transition metals and bases.

    • Resource ID: CM3L10
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Mole Conversions

    Given descriptions or chemical formula of a substance, students will convert between mass, moles, and particles for a sample of material.

    • Resource ID: CM3L13
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Quantifying Changes in Chemical Reactions: Balancing Equations

    Given descriptions or chemical formulas of the reactants and the products of chemical reactions, students will apply the law of conservation of mass and manipulate coefficients to balance chemical equations.

    • Resource ID: CM3L12
    • Grade Range: 8–12
    • Subject: Science

    OnTrack logo Quantifying Changes in Chemical Reactions: Empirical Formula

    Given the descriptions or chemical formulas, students will use relative masses of elements in substance to calculate and determine the ratio of atoms of each element in a compound so as to determine percent composition or empirical formula.