Chapter 5 Part 3 Question Preview (ID: 3165)
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mineral that contains silicon and oxygen
a) nonsilicate
b) density
c) silicate
d) hardness
most visible property, but less reliable way to identify minerals
a) texture
b) streak
c) color
d) denisty
What determins the geometry of a large crystal (its shape)
a) its internal crystalline structure
b) basalt
c) color
d) texture
Why is basalt not considered a mineral
a) it is much to heavy
b) it does not have a consistent chemical composition
c) it is man made
d) it is organic
single chain silicates are silicate crystalline structures in which tetrahedra form a
a) chain by sharing oxygen atoms
b) ring by sharing silicon atoms
c) chain by sharing carbon atoms
d) ring by sharing oxygen atoms
What is radioactivity?
a) another form of magnetism
b) stable atomic nuclei decay over time, releasing particles and energy
c) unstable atomic nuclei decay over time, releasing particles and energy
d) contamination of organisms and minerals
Flourescence is the property of a mineral that causes it to
a) become chatoyant under phosphorescent light
b) glow after ulraviolet light is turned off
c) develop asterism under ultraviolet light
d) glow under ultraviolet light
a double chain silicate is
a) a double ring of silicon atoms
b) double the silicon atoms
c) two bonded single chains
d) a framework crystalline structure
Which of the following is NOT one of the 4 criteris for determining if a substance is a mineral or not
a) it is inorganic
b) it has a consistent chemical composition
c) it occurs naturally
d) it has a shiny surface
Which are nonsillicate cystalline structures?
a) cubes, hexagonal prisms, irregular masses
b) quartz, framework, cubes
c) pyramid, tetrahedra, ring
d) tetrahedra, isolated, chains
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