NC Essential Science Standards: Chemistry


  1. Matter: Properties and Change

    Chm.1.1 — Analyze the structure of atoms and ions. 

    Chm.1.1.1 — Analyze the structure of atoms, isotopes and ions.

    Chm.1.1.2 — Analyze an atom in terms of the location of electrons. 

    Chm.1.1.3 — Explain the emission of electromagnetic radiation in spectral form in terms of the Bohr model.

    Chm.1.1.4 — Explain the process of radioactive decay using nuclear equations and half-life. 

    Chm.1.2 — Understand the bonding that occurs in simple compounds in terms of bond type, strength and properties. 

    Chm.1.2.1 — Compare (qualitatively) the relative strengths of ionic, covalent and metallic bonds. 

    Chm.1.2.2 — Infer the type of bond and chemical formula formed between atoms.

    Chm.1.2.3 — Compare inter- and intra- particle forces.

    Chm.1.2.4 — Interpret the name and formula of compounds using IUPAC convention. 

    Chm.1.2.5 — Compare the properties of ionic, covalent, metallic and network compounds. 

    Chm.1.3 — Understand the physical and chemical properties of atoms based on their position on the Periodic Table. 

    Chm.1.3.1 — Classify the components of a periodic table (period, group, metal, metalloid, nonmetal, transition).

    Chm.1.3.2 — Infer the physical properties (atomic radius, metallic and nonmetallic characteristics) of an element based on its position on the Periodic Table.

    Chm.1.3.3 — Infer the atomic size, reactivity, electronegativity and ionization energy of an element from its position on the Periodic Table.


  2. Conservation and Transfer

    Chm.2.1 — Understand the relationship among pressure, temperature, volume and phase. 

    Chm.2.1.1 — Explain the energetic nature of phase changes.

    Chm.2.1.2 — Explain heating and cooling curves (heat of fusion, heat of vaporization, specific heat, melting point and boiling point). 

    Chm.2.1.3 — Interpret the data presented in phase diagrams.

    Chm.2.1.4 — Infer simple calorimetric calculations based on the concepts of heat lost equals heat gained and specific heat.

    Chm.2.1.5 — Explain the relationships among pressure, temperature, volume and quantity of gas, both qualitative and quantitative. 

    Chm.2.2 — Analyze chemical reactions in terms of quantities, product formation and energy. 

    Chm.2.2.1 — Explain the energy content of a chemical reaction.

    Chm.2.2.2 — Analyze the evidence of chemical change.

    Chm.2.2.3 — Analyze the law of conservation of matter and how it applies to various types of chemical equations (synthesis, decomposition, single replacement, double replacement and combustion).

    Chm.2.2.4 — Analyze the stoichiometric relationships inherent in a chemical reaction.

    Chm.2.2.5 — Analyze quantitatively the composition of a substance (empirical formula, molecular formula, percent composition and hydrates). 

  3. Interaction of Energy and Matter

    Chm.3.1 — Understand the factors affecting rate of reaction and chemical equilibrium. 

    Chm.3.1.1 — Explain the factors that affect the rate of a reaction (temperature, concentration, particle size and presence of a catalyst). 

    Chm.3.1.2 — Explain the conditions of a system at equilibrium.

    Chm.3.1.3 — Infer the shift in equilibrium when a stress is applied to a chemical system (Le Chatelier’s Principle).

    Chm.3.2 — Understand solutions and the solution process. 

    Chm.3.2.1 — Classify substances using the hydronium and hydroxide concentrations.

    Chm.3.2.2 — Summarize the properties of acids and bases.

    Chm.3.2.3 — Infer the quantitative nature of a solution (molarity, dilution and titration with a 1:1 molar ratio). 

    Chm.3.2.4 — Summarize the properties of solutions.

    Chm.3.2.5 — Interpret solubility diagrams.

    Chm.3.2.6 — Explain the solution process.