Atomic Structure
Level One
1. Categorize an element as a metal, metalloid, nonmetal or noble gas based on its position in the periodic table.
2. Identify an element's atomic number and name or symbol, given the number of protons or electrons in a neutral atom using a periodic table.
3. Identity protons, neutrons and electrons with regard to their relative mass, relative charge and/or location in an atom.
Level Two
4. Identify the major characteristics of various models of the atom: Democritus, Thomson, Rutherford, Bohr, and the modern quantum mechanical model.
5. Determine the number of protons, neutrons and /or electrons in an atom or ion, given the symbol of the atom or ion and a periodic table.
6. Compare s and p orbitals in an energy level in terms of general shape, energy and/or numbers of electrons possible.
7. Determine the Lewis electron-dot structure or number of valence electrons for an atom of any main group element (1, 2, 13-18), given its atomic number or its position in the periodic table.
Level Three
8. Describe the trends present in the periodic table with respect to atomic size, ionization energy, electron affinity or electronegativity.
Level One
1. Identify a pure substance as element or compound when given its chemical name or formula.
2. Distinguish among elements, compounds, solutions, colloids, and suspensions, given examples.
3. Classify changes in matter as physical or chemical, given examples or scenarios.
4. Classify properties of matter as physical or chemical when given examples or scenarios.
5. Distinguish between heat content and temperature when given a unit, a definition and/or example.
Level Two
5. Distinguish among gases, liquids and solids in terms of particle spacing and relative movement, given a diagram or scenario.
6. Predict the effect of changing one gas variable (volume, temperature or pressure) on one of the others, given a scenario.
7. Demonstrate an understanding of the law of conservation of matter, given experimental data.
8. Categorize a process as endothermic or exothermic, given an example or scenario.
Level Three
9. Demonstrate an understanding of the law of conservation of energy by equating heat loss and heat gain in an interaction, given the formulas -q = q and q = mc(t final - t original) and the specific heat.
Level One
1. Distinguish between a chemical symbol and a chemical formula, given examples.
2. Identify the parts (reactants or products) of a chemical reaction, given a balanced chemical equation.
3. Identify the types of chemical reactions (composition, decomposition, double replacement, single replacement), given a balanced equation.
4. Determine the number of atoms, formula units or molecules of a particular substance, given a balanced equation.
Level Two
5. Distinguish between ionic and covalent compounds, given binary formulas.
6. Identify the formula for a compendia using a periodic table and a list of common ions, given the name of the compound.
7. Identify the name of compounds and common acids (sulfuric, nitric, hydrochloric, acetic, and phosphoric acids), using a periodic table and a list of common ions.
8. Select a correctly balanced chemical equation, when given examples.
9. Convert between any two of the following quantities of a substance: mass, number of moles, number of particles, or molar volume (at STP).
10. Determine molar ratios expressed in balanced chemical equations.
11. Analyze percent composition of the elements in a compound, given the formula.
12. Solve mass to mass stoichemistry problems.
Level Three
13. Identify and solve different types of stoichemistry problems (volume [at STP] to mass, moles to mass, etc.)
Level One
1. Classify substances as acid or base, given the formula of an inorganic acid or base.
Level Two
2. Identify the solute and solvent in a solid, liquid or gaseous solution, given its composition.
3. Classify a solution as saturated, unsaturated or supersaturated, given the composition of the solution and a solubility graph.
4. Calculate the concentration of a solution in terms of molarity or mass percent, given mass of solute and mass or volume of solution.
5. Classify a substance as an acid or a base, given at least two of the following properties: color of litmus, color of phenolphthalein, taste, pH and slippery or non-slippery.
Level Three
6. Predict the products of a neutralization reaction involving inorganic acids and bases, given the reactants.