MIDTERM EXAMINATION JANUARY 2015
CONTENT TOPICS: STATES of MATTER, PHYSICAL/CHEMICAL PROPERTIES & CHANGE
CORRESPONDING TEXTBOOK CHAPTER/SECTIONS: C1 Section 2, 3
WHAT YOU NEED TO KNOW
 Distinguish between the physical properties and chemical properties of matter.
 Classify changes of matter as physical or chemical.
 Explain the gas, liquid, and solid states in terms of particles.
 Distinguish between a mixture and a pure substance.
 Use a periodic table to name elements, given their symbols.
 Use a periodic table to write the symbols of elements, given their names.
 Describe the arrangement of the periodic table.
CONTENT TOPICS: MEASUREMENT, SCI NOTATION, DENSITY & CALCULATIONS
CORRESPONDING TEXTBOOK CHAPTER/SECTIONS: C2 Section 2, 3
WHAT YOU NEED TO KNOW
 Distinguish between a quantity, a unit, and a measurement standard.
 Name and use SI units for length, mass, time, volume, and density.
 Distinguish between mass and weight.
 Perform density calculations.
 Transform a statement of equality into a conversion factor.
 Convert between units.
 Convert measurements into scientific notation.
CONTENT TOPICS: ARRANGEMENT OF THE ELECTRONS
CORRESPONDING TEXTBOOK CHAPTER/SECTIONS: C4, C5
WHAT YOU NEED TO KNOW
 Explain the mathematical relationship among the speed, wavelength, and frequency of electromagnetic radiation.
 Discuss the dual wave-particle nature of light and Louis de Broglie’s role in the development of the quantum model of the atom.
 Describe the Bohr model of the hydrogen atom.
 List the four quantum numbers, and describe their significance.
 Relate the number of sublevels corresponding to each of an atom’s main energy levels, the number of orbitals per sublevel, and the number of orbitals per main energy level.
 State the Aufbau principle, the Pauli Exclusion Principle, and Hund’s rule.
 Describe the electron configurations for the atoms of any element using orbital notation, electronconfiguration notation, and when appropriate, noble-gas notation.
 Define valence electrons, and state how many are present in atoms of each main-group element.
 Define isotopes. Determine the number of protons, neutrons and electrons present in a given isotope of an element. Use isotope nomenclature to describe an isotope.

CONTENT TOPICS: CHEMICAL EQUATIONS, REACTION TYPES, ACTIVITY SERIES
CORRESPONDING TEXTBOOK CHAPTER/SECTIONS: C8 Section 1-3
WHAT YOU NEED TO KNOW
 List observations that suggest that a chemical reaction has taken place.
 List requirements for a correctly written chemical equation.
 Write a word equation and a formula equation for a given chemical reaction.
 Balance a formula equation by inspection.
 Define and give general equations for synthesis, decomposition, single-displacement, and double-
displacement reactions.
 Classify a reaction as synthesis, decomposition, single-displacement, double-displacement, or combustion.
 Predict the products of simple reactions given the reactants.
 Explain the significance of an activity series.
 Predict whether a given reaction will occur and what the products will be, using an activity series.
CONTENT TOPICS: MOLECULAR & NET IONIC EQUATIONS, SOLUBILITY
CORRESPONDING TEXTBOOK CHAPTER/SECTIONS: C13 Section 1
WHAT YOU NEED TO KNOW
Predict whether a precipitate will form when solutions of soluble ionic compounds are combined using the solubility rules, and write the molecular and net ionic equations for precipitation reactions.
CONTENT TOPICS: CHEMICAL FORMULAS AND COMPOUNDS, MOLE, STOICHIOMETRY
CORRESPONDING TEXTBOOK CHAPTER/SECTION: C7 Section 1-4, C9 Sections 1-3
WHAT YOU NEED TO KNOW
 Explain the significance of a chemical formula.
 Determine the formula of an ionic compound formed between two given ions.
 Name an ionic compound given its formula.
 Name a binary molecular compound from its formula, using prefixes.
 Write the formula of a binary molecular compound given its name.
 Name binary molecular compounds using oxidation numbers and the Stock system.
 Calculate the formula mass or molar mass of any given compound.
 Convert between mass in grams and amount in moles of a chemical compound, using molar mass.
 Calculate the number of molecules, formula units, or ions in a given molar amount of a chemical compound.
 Calculate the percentage composition of a given chemical compound.
 Define empirical formula, and explain how the term applies to ionic and molecular compounds.
 Explain the relationship between the empirical formula and the molecular formula of a given compound.
 Describe the importance of the mole ratio in stoichiometric calculations.
 Write a mole ratio relating two substances in a chemical equation.
 Calculate the amount in moles of a reactant or product from the amount in moles of a different reactant or product.
 Calculate the mass of a reactant or product from the amount in moles of a different reactant or product.
 Calculate the amount in moles of a reactant or product from the mass of a different reactant or product.
 Calculate the mass of a reactant or product from the mass of a different reactant or product.

CONTENT TOPICS: LABORATORY
WHAT YOU NEED TO KNOW
 Determine density by displacement (density labs).
 Technique for ‘massing out’ a substance.
 How to reading a graduated cylinder.
 Simple tests to identify a gas (physical/chemical changes lab).
 Separation techniques: gravity filtration (physical/chemical changes, mole labs).
 Reading data tables.
 How to determine the % water in a hydrate.
 Laboratory safety.