GEOLOGY 1010 CHAPTER 3 EXAM QUESTIONS WITH CORRECT ANSWERS

GEOLOGY 1010 CHAPTER 3 EXAM
QUESTIONS WITH CORRECT
ANSWERS

What defines a mineral? - Answer- - Naturally Occurring
- Solid
- Inorganic
- Well-defined Chemical Composition
-Crystalline Structure

What is quartz made of? - Answer- silicon and oxygen, it is one of the most common
minerals on earth

What shape do quartz molecules always make? - Answer- A tetrahedron

What are silicates? - Answer- minerals that contain silicon and oxygen

What are sulfides? - Answer- metal cations combine with the anion sulfur

What are oxides? - Answer- compounds that form when an element, such as aluminum
or iron, combines chemically with oxygen

What are halides? - Answer- Minerals that contain a halogen ion plus one or more other
elements

What are carbonates? - Answer- minerals that contain combinations of carbon and
oxygen in their chemical structure.

What are native metals? - Answer- Pure metal atoms

What are sulfates and sulfides? - Answer- minerals that contain the element sulfur


What is the molecular structure called that determines the shape of minerals? - Answer-
crystal lattice

Which mineral is number 10 on the mineral hardness scale? - Answer- diamond