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ERSC 181 Week 1-8 Exams 2021 American Public University.

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Institution American Public University
Course ERSC 181
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ERSC 181 Week 1-8 Exams 2021 American Public University.What building block of matter has either a positive or negative charge? • A. atom • B. isotope • C. ion Feedback:Johnson et al. 3.1.1 Question 2 of 25 4 .0 / 4.0 Points These minerals commonly form chains, sheets, and rings? • A. carbonates • B. chlorinate • C. silicates Feedback:3.3 Silicate Minerals Question 3 of 25 4.0 / 4.0 Points Which classification of mineral is most dominate in the Earth’s crust? • A. carbonates • B. chlorinate • 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? • A. glass (un-ordered atoms) • B. icicle • C. your teeth • D. coal • E. lab-grown diamond Feedback:3.1 Question 5 of 25 4.0 / 4.0 Points The way a mineral reflects light is called what? • A. fracture • B. cleavage • C. luster Feedback:3.5.1 Luster and Color Question 6 of 25 4.0 / 4.0 Points Which type of bond would you expect to find in gold? • A. ionic • B. covalent • C. metallic Feedback:3.1.3 Chemical Bonding Question 7 of 25 4.0 / 4.0 Points Which type of bond involves the sharing of electrons

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