Chemistry EoC PLDs
July 21, 14
Chemistry
A student who is Proficient consistently exhibits competency in the scientific
method, the scientific process, quantitative analysis, and science content, including
abilities to do the following:
Scientific Thinking
 Identify and apply the steps of the scientific method.
 Distinguish between dependent and independent variables including
graphical data
 Report the results of measurements and calculations to the correct number
of significant figures
 Correctly express numbers in scientific notation and standard form
 Calculate molar mass from a given chemical formula
 Distinguish between accuracy and precision
 Make observations about uncertainty in measurement
 Calculate percent composition from the formula of a compound or the mass
data
 Use Avogadro’s number and molar mass to convert among moles, mass, and
number of particles
Structure of Matter
 Identify subatomic particles, their charges, relative masses, and locations in
the atom
 Identify and interpret electron configurations
 Correctly write an orbital filling diagram and identify elements from orbital
filling diagrams or electron configurations
 State the VSEPR theory
 Correctly predict the charges of the representative element ions
 Distinguish between anions and cations
 Classify compounds as ionic or covalent based on the chemical formula
 Define, compare and contrast ionic and covalent bonding
 Relate the numbers of the subatomic particles to the atomic number, mass
number and charge
 Relate states of matter to the arrangement of particles and their freedom of
motion (entropy changes)
 Identify periodic trends including ionization energy, electronegativity, and
atomic radii
Chemical Reactions
 Balance chemical equations
 Classify chemical reactions
 Predict the products of chemical reactions
 Relate the name to the formula of a compound and vice versa
 Perform stoichiometric calculations including mole to mole and mass to mass
conversions (and volume to volume for gases at STP)
 Make qualitative predictions based on Le Chatlier’s Principle
 Understand factors that affect the rates of reaction
Energy
 Know how temperature and kinetic energy is related
 Distinguish between kinetic and potential energy
 Describe energy transformations (i.e., potential to kinetic, etc.)
 Classify chemical reactions as endothermic or exothermic by observation
 Identify energy and temperature changes that a substance undergoes on a
heating or cooling curves
Properties of Matter
 Understand the properties of metals, nonmetals, and metalloids
 Compare and contrast the properties of ionic and covalent (molecular)
compounds
 Classify matter as elements, compounds or mixtures
 Manipulate and solve for any of the variables in the density equation
 Calculate partial pressures of a gas using Dalton’s law
 Determine and rank bond polarity based on electronegativity
 Calculate the molarity of a solution
 Calculations using gas laws
 Predict the solubility of compounds in water
 Classify compounds as acids or bases (using Arrhenius and Bronsted-Lowry
definitions)
Chemistry EoC PLDs
July 21, 14
Chemistry
A student who is Borderline Proficient periodically exhibits competency in
the scientific method, the scientific process, quantitative analysis, and science
content, including abilities to do the following:
Scientific Thinking
 Identify the steps of the scientific method.
 Distinguish between dependent and independent variables including
graphical data
 Report the results of measurements and calculations
 Express numbers in scientific notation and standard form
 Calculate molar mass from a given chemical formula
 Calculate percent composition
 Use molar mass to convert between moles and mass
Structure of Matter
 Identify subatomic particles, their charges, relative masses, and locations in
the atom
 Correctly predict the charges of the representative element ions
 Distinguish between anions and cations
 Classify compounds as ionic or covalent based on the chemical formula
 Define ionic and covalent bonding
 Relate the numbers of the subatomic particles to the atomic number, mass
number and charge
 Recognize periodic trends
 Identify elements from orbital filling diagrams or electron configurations
Chemical Reactions
 Balance chemical equations
 Classify chemical reactions
 Relate the name to the formula of a compound and vise versa
 Perform stoichiometric calculations including mole to mole
 Understand factors that affect the rates of reaction
Energy
 Know how temperature and kinetic energy are related
 Distinguish between kinetic and potential energy
 Recognize energy transformations (i.e., potential to kinetic, etc.)

Classify chemical reactions as endothermic or exothermic
Properties of Matter
 Understand the properties of metals, nonmetals, and metalloids
 List the properties of ionic and covalent (molecular) compounds
 Classify matter as elements, compounds or mixtures
 Recognize the formula for density