Chap 6 Test Ques 001

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Chap 6 Test Ques 001 Powered By Docstoc
					        Chapter 6 Test Questions
 1. When 2 atoms of the same nonmetal react, they often form
    a(n)
         A. ionic bond     C. diatomic molecule
  C B. polyatomic ion D. polar molecule
2. Which substance would be an example of a polar molecule?
B A. oil B. water C. gasoline D. grease
3. The maximum number of electrons in the second energy level
   is
C      A. 1 B. 2 C. 8 D. 18

4. Bonding that involves sharing of electrons within a
   molecule is called
B A. metallic B. covalent C. ionic D. network
5. Bonding that involves transfer of electrons within a
   molecule is called
B A. metallic B. ionic C. covalent D. crystal

6. An example of a polyatomic ion is
A A. SO4 B. Ca C. NaCl D. O2

7. Table salt (NaCl) is an example of a(n)
   A. ionic bond      B. covalent bond
A C. metallic bond D. hydrogen bond
8. Bonding between atoms on the left and right sides of
   the periodic table tends to be
B A. covalent B. ionic C. metallic D. impossible
9. The type of chemical bond that joins one or more
   elements together is determined by
      A. atomic mass
      B. the arrangement of electrons
B C. the arrangement of neutrons
      D. the total number of electrons

10. Chemical bonding occurs so that atoms can
    A. gain electrons
    B. lose electrons
D C. share electrons levels
    D. obtain complete outermost energy

11. Covalent bonded atoms are usually formed by
    A. nonmetal to a nonmetal  C. metal to a nonmetal
    B. metal to a metal        D. noble gas to a nonmetal
A
    True - False
T   12. Metals are malleable because of the metallic bonding.

    13. A charged atom is called a molecule.
F
T 14. Bromine is a diatomic element.
    15. The type of chemical bond formed by an atom is
F        determined by the arrangement of its innermost
         electrons.

F 16. Covalent bonds form crystals.
F 17. An alloy contains at least 2 different metals in a solution.
18. When ionic bonding occurs between two atoms
    A. only a loss of electrons takes place
    B. one atom loses electrons while the other atom gains
B       electrons
    C. only a gain of electrons takes place
    D. electrons are shared equally by the two atoms

19. Metallic bonded atoms are usually formed by
    A. nonmetal to a nonmetal C. metal to a nonmetal
B B. metal to a metal D. noble gas to a nonmetal
20. Atoms with a low ionization energy
    A. lose electrons easily C. tend to form negative ions
A B. gain electrons easily D. tend to remain neutral
21. To clean an oil-base paint out a brush, a person could use
    A. water B. sugar       C. acetone D. salt
C
 22.Valence electrons are found
    A. in the energy level closest to the nucleus
C B. throughout the electron cloud
    C. in the outermost energy level
    D. in the nucleus

 23. When the outermost energy level of an atom contains
   the maximum number of electrons
     A. ionic bonding occurs      C. metallic bonds form
 D B. covalent bonding occurs D. the atom is stable
24. When an atom loses electrons, it
    A. becomes positively charged
A B. becomes negatively charged
    C. obtains a neutral charge
    D. will form a metallic bond
25. The number of elements that are diatomic is
     A. 2 B. 4 C. 7 D. 8
C
26. What would the name be for N2O4
    A. Nitrogen (II) Oxide      C. Binitrogen quadoxide
D B. Nitrogen (II) Oxide (IV) D. Dinitrogen tetraoxide

27. The electrical charge on an atom as a whole is
    A. neutral       C. negative
A B. positive        D. dependent on the atomic number

28. The elements most likely to form more than one type of
    ion are the
A A. transition metals C. halogens
      B. alkali metals    D. alkaline earth metal

				
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