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NS140 Chapter 2

crying

QuestionAnswer
Which of the following characteristics are used to distinguish one mineral from another? Chemical composition and crystalline structure.
A mineral is defined as which of the following? A naturally occurring inorganic solid with a definitive chemical composition and crystalline structure.
Which of the following is a mineral? Coal.
Oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium together make up what percent of the crust? 98%.
A geologist finds what they believe to be a quartz mineral; however, the chemical composition differs widely from what the geologist would expect to find and it contains a single, inorganic element. Which of the following is correct about the mineral? The chemical composition of the mineral suggests it is likely not quartz.
A cation is defined as which of the following? A positively charged ion.
Which of the following explains why minerals can be expressed as chemical formulas? Minerals have chemical compositions of elements that are combined in definite proportions due to the attractive nature of cations and anions.
A geologist finds a mineral in the desert and begins to test various properties of the mineral. The geologist will likely perform all of the following tests except? The geologist will perform all of the following tests.
Which of the following is NOT a way to distinguish different minerals when evaluating the crystalline structure? The presence of crystals.
A crystal is defined as which of the following? A solid element or compound whose atoms are arranged in a regular, periodically repeating three-dimensional pattern.
A geologist is able to scratch an unknown mineral with their fingernail. Where does this mineral fall on the Mohs Hardness scale? 2.
Seven of the nine rock-forming minerals in the Earth's crust are which of the following? Silicate minerals.
In order to distinguish between rock forming silicates, a geologist should evaluate which of the following? The way silicate tetrahedron link together.
Which of the following is a carbonate mineral? Dolomite.
Which of the following is correct regarding commercially important minerals? Commercially important minerals can come from a variety of environments.
Industrial minerals are defined as which of the following? Minerals with economic value that are not metals, ores, fuels, or gems.
Which of the following is NOT a harmful effect that can be caused by certain minerals? Contamination of plants and animals in natural environments.
Which of the following minerals is carcinogenic and can be found as a gas in some homes? Radon.
A mining company wants to set up a new mine focusing on mining sulfide ore minerals. Which of the following is NOT a potential hazard? Carcinogens.
Which of the following minerals will continue to cause future hazardous problems to future generations if not properly addressed? Mercury.
Created by: robynlee
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