Ch 100: Fundamentals for Chemistry Winter Term 2007Exam #2 Checklist1. The Periodic Table:(i) structure & organization(ii) the main groups by name & locationon the Periodic Table(iii) metals, nonmetals, metalloids(iv) how are elements in the same group similar?2. Atomic Mass, Atomic Number (A), and Mass Number (Z):(i) how do you determine the number of neutrons in an atom’s nucleus?(ii) what is the difference between atomic mass and mass number?(iii) Determination of the number of neutrons from mass number and atomic number3. Ionic vs. Non-Ionic Compounds(i) How can you tell the difference between Ionic vs. Non-Ionic Compounds?(ii) What compound is formed between the following ions (name & formula)?(a) K+ & F-(b) Al3+ & S2-(c) Ca2+ & N-3 (d) Na+ & Pb2+ (iii) How do you name or obtain a chemical formula for ionic compounds? Examples: KCl or Lithium oxide(iv) How do you name or obtain a formula for compounds with transitional metals? Examples: CuO or iron(II) oxide(v) How do you name Non-Ionic compounds? Examples: SiO2 or nitrogen monoxide4. Polyatomic Ions & Compounds(i) Can you recognize polyatomic ions when you see them?(ii) Naming compounds with polyatomic ions? Examples: KNO3 or ammonium sulfide(iii) Balancing the charge in compounds with polyatomic ions? (a) NH4+ & Se-2(b) NH4+ & PO4-3 (c) NO3- & SO4-2Example: what is the chemical name for CuO or the chemical formula for iron(II) oxide(iv) How do you name Non-Ionic compounds? Examples: SiO2 or nitrogen monoxideCh 100: Fundamentals for Chemistry Winter Term 2006Exam #2 Checklist5. Acids(i) Can you recognize an acid when you see one?(ii) Naming acids when they:(a) do not contain oxygen: HI or hydrocyanic acid(b) contain oxygen: HNO2 or phosphoric acid6. Chemical Reactions:I) What is a catalyst and how does a catalyst affect a chemical reaction?II) What factors influence the “reaction rate” of a chemical process?III) During a chemical reaction which of the following things can change and which must stay the same? Why?a) number of moleculesb) number of atomsc) temperature of the reactants/productsd) the state of matter of the reactants/productsIV) What is a balanced a chemical reaction and how do you balance a chemical reaction?7. Define the following terms:Ch 100: Fundamentals for Chemistry Winter Term 2006Exam #2 Checklista) isotopeb) ionc) nucleond) heat of reactione) exothermic reactionf) endothermic reactiong) activation energyh) catalysti) atomic numberj) atomic massk) mass number8. What contribution(s) did each of these people make in the field of chemistry?a) Earnest Rutherfordb) Neils Bohrc) Lord Kelvind) J. J. Thomsone) Antoine Lavoisierf) Dmitri Mendeleevg) Eugene Goldsteinh) John Daltoni) James Chadwickj) Robert
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