Exam 2: Minerals: Building Blocks of Rocks

Most glasses and some minerals exhibit a type of fracture characterized by nested and curved crack surfaces. What term describes this property?

The micas, biotite and muscovite, both exhibit one direction of cleavage.

More than 100 elements are currently known.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Which of the following best defines a mineral and a rock?

Label the various parts of an atom in the diagram below.

The ion at the center of a silicon-oxygen tetrahedron is surrounded by ________.

Electrically neutral atoms have equal numbers of electrons and protons.

Which one of the following is NOT true for minerals?

Nearly 4000 minerals have been named.

What mineral is the hardest known substance in nature?

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?

Diamond and quartz are both minerals composed of a single element.

Which of the following has the highest specific gravity?

An aggregate of two or more minerals is called a(n) ________.

Why are most rock-forming minerals silicates? Also, considering the composition of Earth's crust, do all of the nonsilicate mineral groups make sense chemically? Why or why not?

What molecule is illustrated in the diagram below?

Which of the following describes the light reflecting and transmission characteristics of a mineral?

Which common mineral is composed entirely of silicon and oxygen?