Mineral Structure And Identification Question Preview (ID: 26681)
Mineral Structure And Identification.
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What is a mineral?
a) A solid substance found in the earth.
b) A living or nonliving inorganic substance found in the earth.
c) An inorganic, naturally-formed solid with a crystalline structure.
d) A crystal that is naturally made.
The smallest part of an element that has all the properties of that element.
a) atom
b) crystal
c) element
d) compound
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) crystal
c) element
d) compound
A substance made of two or more elements that have been chemically bonded.
a) crystal
b) atom
c) element
d) compound
A mineral composed of only one element.
a) atom
b) native element
c) crystal
d) element
What two groups are minerals divided into based on their chemical composition?
a) native and non-native
b) big and small
c) lusterful and non-lusterful
d) silicate and non-silicate
Silicate minerals contain...
a) silicate
b) silicon
c) silicon and oxygen
d) silicon, oxygen, and other elements
A mineral's streak is...
a) colorful lines that run through the mineral sample.
b) impurities in the mineral.
c) mineral's color.
d) color of a mineral in powdered form.
The way a mineral's surface reflects light is called...
a) luster
b) streak
c) cleavage
d) fracture
Which one of the following is not one of the 3 types of luster?
a) metallic
b) submetallic
c) nonmetallic
d) shiny
___________ are the hardest know mineral, with a Mohs scale value of 10.
a) plutons
b) diamonds
c) ore
d) pegmatites
A mineral breaks along a curved or irregular surface.
a) fracture
b) cleavage
c) streak
d) luster
A mineral's resistance to being scratched is called...
a) weight
b) streak
c) luster
d) hardness
What number represents the softest mineral on Mohs scale?
a) 10
b) 0
c) 1
d) 100
True or False. A softer mineral will always scratch a harder mineral.
a) True
b) False
c)
d)
What substance is thevreference point for the density of other substances?
a) oxygen
b) water
c) iron
d) calcite
True or False. Cleavage is a mineral's tendency to break along rough, or curved edges.
a) True
b) False
c)
d)
A class of nonsilicate minerals that that is made of only one type of ELEMENT.
a) oxides
b) mica
c) carbonates
d) native elements
A property of a crystalline structure..
a) strong
b) atoms or compounds are arranged in a repeating pattern
c) atoms or compounds are the same color
d) very valuable
__________ is how much matter is in a certain amount of space. Also know as the ratio of mass to volume of a substance.
a) density
b) volume
c) mass
d)
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