22.Which element has the largest ionization energy?a)Nab)Sc)Pd)Ale)O23.Which element has the highest electronegativity?24.Which elements have a total of 3 valence electrons? Choose all that apply.25.Give the formula of the ion PREDICTED for each element.26.Write the chemical formula for the ionic compound composed of each set of ions.a)Ni2+and O2-4
b)Na+and S2-c)Al3+and NO3-d)Mg2+and P3-27.Given the chemical formulas for the following oxides:potassium oxideK2Ogallium(III) oxideGa2O3calcium oxideCaOgermanium(IV) oxideGeO2Predict the chemical formula for each of the following compounds.Questions 28 to 36Choose the best or most likely classification for each of the following based on the description.A)binary ionicC)binary molecularE)ternary acidB)ternary ionicD)binary acid28.Compound that contains 1 nonmetal with Hand releases H+when dissolved in water29.Compound made up of formula units30.Compound that uses prefixes to indicate number of atoms31.Compound that contains 1 metal and 1 nonmetal32.Compound made up of molecules33.Compound that contains 3 elements and a polyatomic ion34.Compound that contains a monatomic cation and monatomic anion 35.Compound that contains an oxyanion groupand releases H+when dissolved in water36.Compound that contains 2 nonmetals or metalloidsQuestions 37 to 51– Classify each compound and write the chemical name or chemical formula37.Tetraphosphorus nonasulfide38.Potassium nitride39.ZnSO440.Sodium hypochlorite41.Sulfurous acid42.MnF243.HBr(aq)44.Ammonium carbonate45.NCl35
46.Phosphoric acid47.Lead(II) acetate48.Hydrosulfuric acid49.Tin(II) nitrate50.Potassium hydrogen phosphate51.HClO4(aq)Questions 52 to 62– Write the best answer for each description or statement52.Usual ending for name of inorganic binary compounds53.A positive metal ion from Group 1A, Group 2A, or Ag, Cd, Zn, Al54.Usual ending for name of acid that has H bonded to -ite oxyanion55.A group of covalently bonded atoms that has an overall charge56.Usual ending for name of acid that has H bonded to -ate oxyanion57.A negative ion that contains a single atom58.Beginning of name for a binary acid59.A positive metal ion that uses a roman numeral in the name60.Usual ending for name of polyatomic ions that contain oxygen61.A positive ion that contains a single atom62.Beginning of name for an acid that does not contain oxygen6
CHEM 101 – Practice Exam #02 Solutions and KeyModels of The Atom, The Periodic Table, Language of Chemistry1.Identify the particles or atomic structure described in each statement.
You've reached the end of your free preview.
Want to read all 12 pages?