Chemistry for Today General Organic and Biochemistry 8th Edition Seager Slabaugh Test Bank

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Chemistry for Today General Organic and Biochemistry 8th Edition Seager Slabaugh Test Bank

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ISBN-10: 1133602274

ISBN-13: 9781133602279 978-1133602279

Chapter 4—Forces Between Particles

 

MULTIPLE CHOICE

 

  1. Which of the following distinguishing electron configurations is characteristic of noble gases?
a. nf14 b. nd10 c. np6 d. ns2

 

 

ANS:  C                    PTS:  1

 

  1. Which of the following would cause a calcium atom (Ca) to achieve a noble gas configuration?
a. lose one electron c. gain one electron
b. lose two electrons d. gain two electrons

 

 

ANS:  B                    PTS:  1

 

  1. For some representative metals, two possible ions can be formed. Why?
a. s electrons can fill the next lower d orbital.
b. They can lose electrons to form a cation and gain electrons to form an anion.
c. They can lose the s electrons or all electrons in their outer shell.
d. They can lose just the p electrons or all electrons in their outer shell.

 

 

ANS:  D                    PTS:  1

 

  1. Which of the following has a noble gas electronic configuration?
a. Cl b. O c. Br d. Cl+

 

 

ANS:  C                    PTS:  1

 

  1. When magnesium forms an ion, it would be represented as _____ .
a. Mg b. Mg2 c. Mg+ d. Mg2+

 

 

ANS:  D                    PTS:  1

 

  1. Some elements can display more than one charge. The most stable charge is
a. due to having 6 electrons in the outside orbit.
b. that charge produced by a loss of electrons, not a gain of electrons.
c. the charge produced by the noble gas configuration.
d. All are correct.

 

 

ANS:  C                    PTS:  1

 

  1. Which of the following electronic changes will cause a Group VA (15) element to achieve a noble gas configuration?
a. gain three electrons c. gain one electron
b. gain two electrons d. lose three electrons

 

 

ANS:  A                    PTS:  1

 

  1. The ionic compound that forms between magnesium (Mg) and oxygen (O) has the formula _____ .
a. Mg2O b. MgO c. MgO2 d. Mg2O3

 

 

ANS:  B                    PTS:  1

 

  1. When an ionic compound forms between sodium (Na) and bromine (Br) atoms, it is true that
a. a bromine atom donates an electron to a sodium atom.
b. both the bromine atoms and sodium atoms donate electrons to each other.
c. a sodium atom donates an electron to a bromine atom.
d. neither bromine nor sodium atoms donate electrons to each other.

 

 

ANS:  C                    PTS:  1

 

  1. The correct name for CeS is _____ .
a. cesium sulfate c. cerium sulfate
b. cesium sulfide d. cerium sulfide

 

 

ANS:  B                    PTS:  1

 

  1. The rigid three-dimensional arrangement assumed by the ions of ionic compounds is called a
a. molecule. c. lattice site.
b. binary compound. d. crystal lattice.

 

 

ANS:  D                    PTS:  1

 

  1. Which of the following would you expect to be the most polar molecule?
a. CO2 b. H2S c. KCl d. SiH4

 

 

ANS:  B                    PTS:  1

 

  1. Which of the following is a correct Lewis structure for a group IIIA(13) element M?
a. b. c. d.

 

 

ANS:  D                    PTS:  1

 

  1. A correct Lewis structure for BrCl is _____ .
a. b. c. d.

 

 

ANS:  A                    PTS:  1

 

  1. A covalent bond results when
a. one atom gives up an electron to another atom.
b. one atom gives up two electrons to another atom.
c. two atoms share a pair of electrons.
d. two atoms share a single electron.

 

 

ANS:  C                    PTS:  1

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