CHEMISTRY CONTENT STANDARDS FOR

PERIODIC ASSESSMENT #2

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Items

1a…Students know how to relate the position of an element in the periodic table to its atomic number and atomic mass.

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1c…Students know how to use the periodic table to identify alkali metals, alkaline earth metals and transition metals, trends in ionization energy, electronegativity, and the relative sizes of ions and atoms.

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1g…Students know how to relate the position of an element in the periodic table to its quantum electron configuration and to its reactivity with other elements in the table.

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3c…Students know one mole equals 6.02 x 10²³ particles (atoms or molecules).

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3d…Students know how to determine the molar mass of a molecule from its chemical formula and a table of atomic masses and how to convert the mass of a molecular substance to moles, number of particles, or volume of gas at standard temperature and pressure.

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3e…Students know how to calculate the masses of reactants and products in a chemical reaction from the mass of one of the reactants or products and the relevant atomic masses.

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3g…Students know how to identify reactions that involve oxidation and reduction and how to balance oxidation-reduction reactions.

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4a…Students know the random motion of molecules and their collisions with a surface create the observable pressure on that surface.

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4b…Students know the random motion of molecules explains the diffusion of gases.

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4c…Students know how to apply the gas laws to relations between the pressure, temperature, and volume of any amount of an ideal gas or any mixture of ideal gases.

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4d…Students know the values and meanings of standard temperature and pressure (STP).

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4e…Students know how to convert between the Celsius and Kelvin temperature scales.

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4g…Students know how to solve problems by using the ideal gas law in the form PV = nRT.

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5a…Students know the observable properties of acids, bases, and salt solutions.

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5b…Students know acids are hydrogen-ion-donating and bases are hydrogen-ion-accepting substances.

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5d…Students know how to use the pH scale to characterize acid and base solutions.

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5g…Students know buffers stabilize pH in acid-base reactions.

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6a…Students know the definitions of solute and solvent.

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6b…Students know how to describe the dissolving process at the molecular level by using the concept of random molecular motion.

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6c…Students know temperature, pressure, and surface area affect the dissolving process.

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6d…Students know how to calculate the concentration of a solute in terms of grams per liter, molarity, parts per million, and percent composition.

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6e…Students know the relationship between the molality of a solute in a solution and the solution's depressed freezing point or elevated boiling point.

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9a…Students know how to use LeChatelier's principle to predict the effect of changes in concentration, temperature, and pressure.

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9b…Students know equilibrium is established when forward and reverse reaction rates are equal.

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MULTIPLE CHOICE ITEMS

30

CONSTRUCTED RESPONSE ITEM

4pts

6c…Students know temperature, pressure, and surface area affect the dissolving process.