Thursday, September 22, 2011

Quiz #6

8 September 2011
S.I. Session 6 Quiz
This quiz covers material from the lecture on Wednesday, September 7th.

Part a) Match the term to its definition:

                TERMS:
a) Sedimentary                 b) Atomic Mass                                 c) Crystal structure
d) Igneous                          e) Atomic Number                          f) Polymorphs
g)Metamorphic                                h)Halite                                                                i) Isotopes

                DEFINITIONS:
1)__This is determined by how cations fit in between anions.
                                2)__This is the number of protons in an atom.
3)__This is the number of protons plus the number of neutrons.
4)__Atoms of the same element with a different number of neutrons.
5) __ This describes minerals with the same chemical composition but a different atomic structure.
6) __ These rocks form by the melting of rocks in hot deep crust and upper mantle.
7) __ These rocks form from the weathering and erosion of other rocks exposed at the surface.
8) __ These rocks form under high pressure and high temperatures in the deep crust and upper mantle.
9) __ Rock Salt.

Part b) Name the 4 basic characteristics of a mineral:


Part c) True or False:
                Mark T (true) or F (false) in the blank provided:

                                1)__Some minerals are secreted by organisms.
2)__Coal, oil, and gas are classified as minerals.
                                3)__ Atoms are the smallest unit of matter.
4)__Carbon has 6 protons.
5)__ Sodium Chloride has a tetrahedral structure.
6)__Covalent bonds are very strong bonds and a close packed structure that leads to a stable configuration.
7) __ The Andes Mountains are formed as a result of continent-continent collision and the Himalayas are formed as a result of ocean-continent collision.
8) __ Carbon atoms connect into a very weak network of tetrahedra.
9) __ Pyroxene has a single chain crystal structure.
10) __ Mica has a sheet-like crystal structure.

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