ERSC 181 Week 1 Quiz- Questions and Answers | American Military University

ERSC 181 Week 1 Quiz- Questions and Answers

Part 1 of 2 - Rock Forming Minerals 44.0/ 52.0 Points


Question 1 of 25 4.0/ 4.0 Points
Which element comprises about 8% of the
crust?




A. silicon

B. iron

C. aluminum




Answer Key: C
Feedback: 3.1.2 Periodic Table of the

Elements Question 2 of 25 4.0/ 4.0 Points
The nucleus is composed of which two subatomic
particles?



A. protons and electrons

B. neutrons and electrons

C. protons and neutrons




Answer Key: C
Feedback: Johnson et al. 3.1.1

Question 3 of 25 4.0/ 4.0 Points
Which of the following is NOT a class of
minerals?



A. silicates



1/

, B. carbonates

C. chlorinates




Answer Key: C

Feedback: 3.3 and 3.4

Question 4 of 25 4.0/ 4.0 Points
Which element comprises about 27% of the
crust?



A. carbonates

B. oxygen

C. silicon




Answer Key: C
Feedback: 3.1.2 Periodic Table of the

Elements Question 5 of 25 4.0/ 4.0 Points
Which mineral group is composed of
tetrahedrons?



A. carbonates

B. evaporites

C. silicates




Answer Key: C
Feedback: 3.3 Silicate

Minerals Question 6 of 25 4.0/ 4.0 Points
The top two most abundant elements create which common mineral
group?



A. carbonates

B. chlorinate