Final Exam

1. The two most abundant elements in Earth’s crust are?

B. Silicon and Oxygen

2. All mineral are?

C. Crystalline solids

3. Well-shaped crystal are rare in nature because?

C. Minerals usually grow in cramped spaces.

4. Some minerals are harder than others because?

D. The chemical bonds of some minerals are stronger than;

5. Crystal form is the result of?

D. Arrangement of atoms

6. The mineral gold(Au)is very soft. Gold’s 


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