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Mineral Structure And Identification
Test Description: Mineral structure and identification
Instructions: Answer all questions to get your test result.
1) What is a mineral?
A
An inorganic, naturally-formed solid with a crystalline structure.
B
A living or nonliving inorganic substance found in the earth.
C
A solid substance found in the earth.
D
A crystal that is naturally made.
2) The smallest part of an element that has all the properties of that element.
A
element
B
crystal
C
atom
D
compound
3) A substance that cannot be broken down into a simpler substance. It is made of all of the same type of atoms.
A
atom
B
element
C
compound
D
crystal
4) A substance made of two or more elements that have been chemically bonded.
A
element
B
atom
C
compound
D
crystal
5) A mineral composed of only one element.
A
atom
B
native element
C
crystal
D
element
6) What two groups are minerals divided into based on their chemical composition?
A
native and non-native
B
silicate and non-silicate
C
lusterful and non-lusterful
D
big and small
7) Silicate minerals contain...
A
silicon, oxygen, and other elements
B
silicate
C
silicon and oxygen
D
silicon
8) A mineral's streak is...
A
mineral's color.
B
colorful lines that run through the mineral sample.
C
impurities in the mineral.
D
color of a mineral in powdered form.
9) The way a mineral's surface reflects light is called...
A
cleavage
B
fracture
C
luster
D
streak
10) Which one of the following is not one of the 3 types of luster?
A
metallic
B
shiny
C
submetallic
D
nonmetallic
11) ___________ are the hardest know mineral, with a Mohs scale value of 10.
A
pegmatites
B
ore
C
plutons
D
diamonds
12) A mineral breaks along a curved or irregular surface.
A
streak
B
cleavage
C
fracture
D
luster
13) A mineral's resistance to being scratched is called...
A
hardness
B
weight
C
streak
D
luster
14) What number represents the softest mineral on Mohs scale?
A
1
B
100
C
0
D
10
15) True or False. A softer mineral will always scratch a harder mineral.
A
False
B
True
16) What substance is thevreference point for the density of other substances?
A
calcite
B
iron
C
water
D
oxygen
17) True or False. Cleavage is a mineral's tendency to break along rough, or curved edges.
A
False
B
True
18) A class of nonsilicate minerals that that is made of only one type of ELEMENT.
A
carbonates
B
native elements
C
oxides
D
mica
19) A property of a crystalline structure..
A
atoms or compounds are arranged in a repeating pattern
B
strong
C
very valuable
D
atoms or compounds are the same color
20) __________ is how much matter is in a certain amount of space. Also know as the ratio of mass to volume of a substance.
A
mass
B
volume
C
density
*select an answer for all questions
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