Transcript Ch. 5 Jeopardy Review

Minerals – Ch 5
Terms
Properties
Groups
Identification
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The mass of a substance
to the volume is its ____
Answer
Density
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The ability of a mineral to
resist scratching is its _____
Answer
Hardness
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Tendency of a mineral to
break and form uneven,
irregular surfaces
Answer
Fracture
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An inorganic solid with
characteristic chemical
composition and physical
properties
Answer
Mineral
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Flourite and feldspar are
examples of these
Answer
Minerals
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The way that light is reflected
from a mineral’s surface
Answer
Luster
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True/False: Chatoyancy
means “cat’s eye” and has
a silky appearance
Answer
True
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Daily Double!!
What is the color of a
mineral in a powdered
form?
Answer
Streak
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What physical property is
unreliable as an
identification clue for
minerals?
Answer
Color
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What is the tendency of a
mineral to split along
specific planes, forming
flat surfaces?
Answer
Cleavage
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A solid whose atoms,
ions, or molecules are
arranged in a regular,
repeating pattern
Answer
Crystal
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What are the 2 main
groups of minerals?
Answer
Silicates or Nonsilicates
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Minerals are usually
_____, meaning they do
not contain carbon
Answer
Inorganic
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Mineral that does not
contain silicon or oxygen
Answer
Nonsilicate
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Mineral that contains
silicon and oxygen
Answer
Silicate
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True or False:
A mineral that glows in
ultraviolet light is
phosphorescent
Answer
False (fluorescent)
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What 2 elements must be
present in a silicate?
Answer
Silicon and Oxygen
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Which type of silicate
does each tetrahedron
share 3 of its oxygen
atoms with other
tetrahedra, and the
remaining oxygen
atoms bond with Al or
Mg atoms?
Answer
Sheet silicates
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If an unstable atomic
nuclei decays into
stable nuclei, the
mineral is ____.
Answer
Radioactive
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What kind of tetrahedra does
NOT link with Silicon or Oxygen
atoms?
Answer
Isolated Tetrahedra
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What is the hardest mineral
on the Moh’s hardness scale?
Answer
Diamond
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What is the softest mineral
on the Moh’s hardness scale?
Answer
Talc
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If a mineral reflects light like
a metal it has what kind of
luster?
Answer
Metallic Luster
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Daily Double!!
What do you call a
tetrahedra that does not link
with other Silicon and
Oxygen atoms?
Answer
Isolated Tetrahedra
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What shape does an
“asterism” describe?
Answer
A Star
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