Chem 221 Midterm 1 Exam Review Questions And Answers Graded A+

Giga (G) - Correct Answers Billion 10⁹ Mega (M) - Correct Answers Million 10⁶ Kilo (k) - Correct Answers Thousand 10³ Centi (c) - Correct Answers Hundreth 10⁻² Milli (m) - Correct AnswersThousandth 10⁻³ Micro - Correct AnswersMillionth 10⁻⁶ Nano (n) - Correct AnswersBillionth 10⁻⁹ Pico (p) - Correct AnswersTrillionth 10⁻¹² 1 mL = - Correct Answers1 cm³ Dalton's Atomic Theory - Correct Answers1. All matter consists of atoms 2. Atoms of one element cannot be converted into atoms of another element 3. Atoms of an element are identical in mass and other properties and are different from atoms of any other element 4. Compounds result from chemical combination of a specific ratio of atoms of different elements Cathode - Correct AnswersNegative Anode - Correct AnswersPositive Cr - Correct Answers2+ 3+ Mn - Correct Answers2+ Fe - Correct Answers2+ 3+ Co - Correct Answers2+ 3+ Cu - Correct Answers+ 2+ Ag - Correct Answers+ Zn - Correct Answers2+ Cd - Correct Answers2+ Hg and Hg₂ - Correct Answers2+ Al - Correct Answers3+ Sn - Correct Answers2+ 4+ Pb - Correct Answers2+ 4+ Formula unit - Correct AnswersSimplest whole number combination of an ionic compound. No discreet molecules in an ionic compound Ammonium - Correct AnswersNH₄⁺ Hydronium - Correct AnswersH₃O⁺ Acetate - Correct AnswersCH₃COO⁻ or C₂H₃O₂⁻ Cyanide - Correct AnswersCN⁻ Hydroxide - Correct AnswersOH⁻ Chlorite - Correct AnswersClO₂⁻ Chlorate - Correct AnswersClO₃⁻ Perchlorate - Correct AnswersClO₄⁻ Nitrite - Correct AnswersNO₂⁻ Nitrate - Correct AnswersNO₃⁻ Permanganate - Correct AnswersMnO₄⁻ Carbonate - Correct AnswersCO₃²⁻ Hydrogen carbonate (bicarbonate) - Correct AnswersHCO₃⁻ Chromate - Correct AnswersCrO₄²⁻ Dichromate - Correct AnswersCr₂O₇²⁻ Peroxide - Correct AnswersO₂²⁻ Phosphate - Correct AnswersPO₄³⁻ Hydrogen phosphate - Correct AnswersHPO₄²⁻ Dihydrogen phosphate - Correct AnswersH₂PO₄⁻ Sulfite - Correct AnswersSO₃²⁻ Sulfate - Correct AnswersSO₄²⁻