Cliffs AP Chemistry, 3rd Edition
Homonuclear diatomic molecules of second-period elements B 2 , C 2 , and N 2 : vv vv r r v r r v1122222 2 2 2ssssppp p p p<* ...
Samples: Multiple-Choice Questions For Samples 1–5, use the following choices: A Trigonal planar B Tetrahedral C Pyramidal D Ben ...
What is the geometry of the hydronium ion, H 3 O+? Answer: C Which one of the following is a nonpolar molecule with one or mo ...
In the benzene molecule, there are 9 single bonds (9σ) and 3 double bonds (3σand 3π) for a total of 12 sigma bonds. Which one o ...
Answer: B 10. The electronegativity of carbon is 2.5, whereas that of oxygen is 3.5. What type of bond would you expect to find ...
12. What is the formal number of pairs of unshared valence electrons in the NO ion 2 +? A. 0 B. 2 C. 4 D. 8 E. 10 Answer: C 13. ...
Samples: Free-Response Questions Given ClO242 3--, ClO ,,Cl O ClO-, and ClO 2. (a) Draw Lewis structures for all species. (b) ...
As one moves down the halogen column, one notices that the boiling point increases. However, when examining the alkali metal fa ...
As one moves down the alkali metal column, nuclear charge increases. As one moves down the alkali metal column, the electron cl ...
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Ionic Bonding Key Terms Words that can be used as topics in essays: anions atomic orbital model bond energy cation chelates comp ...
Ligand Nomenclature Br– bromo I– iodo CO 242 - oxalato NH 3 amine CH 3 NH 2 methylamine NO nitrosyl Cl– chloro O2– oxo CN– cyan ...
− 1 acetate CHO 232 - hydrogen sulfite amide NH 2 - or bisulfite HSO 3 - azide N 3 - hydrosulfide benzoate CHO 752 - or bisulfid ...
Common Oxidation States of the Elements Actinium +3 Indium +3 Aluminum +3 Iodine +7, +5, +1, − 1 Americium +6, +5, +4, +3 Iridi ...
Scandium +3 Thorium +4 Selenium +6,+4, − 2 Thulium +3,+2 Silicon +4,−4Tin+4, +2 Silver +1 Titanium +4,+3, +2 Sodium +1 Tungsten ...
Samples: Multiple-Choice Questions Note to the student: The AP chemistry exam does not emphasize complex ions or coordi- nation ...
What is the oxidation number of platinum in PtCl 62 - A. − 4 B. − 2 C. − 1 D. +4 E. +6 Answer: D Because chlorine is a halogen ...
Answer: C Note that all the ions have 10 electrons; that is, they are all isoelectronic with neon. Because they all have the sam ...
What ions would you find in solution if potassium perchlorate was dissolved in water? A. KCl, O 2 B. K+, Cl–, O2– C. KCl, O2– ...
Samples: Free-Response Questions The first three ionization energies (I 1 , I 2 , and I 3 ) for beryllium and neon are given in ...
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