ERSC 181 Week 1-8 Exams | American Public University

ERSC 181 Week 1-8 Exams
Week 1 Exam (timed and single access)
Part 1 of 2 - Rock Forming Minerals 44.0/ 52.0 Points

Question 1 of 25
0..0 Points
What building block of matter has either a positive or negative charge?



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A. atom


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B. isotope


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C. ion




Feedback:Johnson et al. 3.1.1
Question 2 of 25
4..0 Points
These minerals commonly form chains, sheets, and rings?



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A. carbonates


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, B. chlorinate



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C. silicates




Feedback:3.3 Silicate Minerals
Question 3 of 25
4..0 Points
Which classification of mineral is most dominate in the Earth’s crust?



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A. carbonates


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B. chlorinate


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C. silicates




Feedback:3.3 Silicate Minerals
Question 4 of 25
0.0/ 4.0 Points
Which of the following is considered to be composed of a mineral?



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, A. glass (un-ordered atoms)



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B. icicle


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C. your teeth


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D. coal


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E. lab-grown diamond




Feedback:3.1
Question 5 of 25
4..0 Points
The way a mineral reflects light is called what?



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A. fracture


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B. cleavage

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C. luster




Feedback:3.5.1 Luster and Color
Question 6 of 25
4..0 Points
Which type of bond would you expect to find in gold?



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A. ionic


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B. covalent


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C. metallic




Feedback:3.1.3 Chemical Bonding
Question 7 of 25
4..0 Points
Which type of bond involves the sharing of electrons?



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A. ionic