FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 2: Earth Materials

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 41

Short Answer

Review LaterAdd Note

Review Later

To be considered a mineral,a naturally occurring,inorganic solid must have a specific chemical composition and a characteristic ______ structure.

Correct Answer

verified

Show Answer

Question 42

Multiple Choice

Review LaterAdd Note

Review Later

What element bonds with a silicon atom to form the "silicate" tetrahedron?

A) oxygen
B) hydrogen
C) oxygen and hydrogen
D) carbon

E) A) and D)
F) A) and B)

Correct Answer

verified

Show Answer

Question 43

Essay

Review LaterAdd Note

The figure below illustrates bonding in two crystalline structures of carbon.Indicate which one is the structure of graphite and which diamond.Identify the type of bonding in each case and explain how the different bonding in the structures relates to the great difference in hardness between the two minerals.

Some minerals break along specific directions of weakness in their crystal structures.This property of a mineral to break in this predictable way is referred to as______.

Sample (A,B,or C) _____ is a rock formed when mineral and rock particles are transported by water,wind,or ice and then deposited in a given location.Such rocks are classified as sedimentary rocks.

The color of a mineral is not necessarily useful in identification.

In the photograph of rock samples and outcrops,shown below,sample (A,B,or C) _____ is the rock held together by naturally occurring cement.

Why is color an unreliable property to use when identifying a mineral?

Atoms with the same atomic number but different mass numbers are called

The principle of atomic substitution is an exception to the rule that minerals have a specific chemical formula.

The property of a mineral to resist scratching is referred to as

Discuss some of the ways in which the properties of minerals and rocks can affect our daily lives?

Which rock sample is held together by naturally forming cement?

Which rock sample has been altered by heat and pressure so that a new mineral assemblage and rock fabric has developed?

What type of bond forms the strongest chemical bonds and compounds that tend to be strong with great hardness?