Exam 3: Minerals The Building Blocks of Rocks

Ice is a mineral,but water is not.

C¹² has 6 protons.How many protons does C¹³ have? ____ How many neutrons does C¹³ have? ____ Nitrogen-14 (N¹⁴)has 6 protons and 8 neutrons: true or false? ____________________

The silicon atom of the silica tetrahedron has a (+/-)____________________ charge of ____ (number),and the oxygen atoms have a (+/-)____________________ charge of ____ (number).Therefore,the ion group has an overall (+/-)____________________ charge of ____ (number).

The most abundant rock-forming minerals are the nonferromagnesian silicates called the ____________________.

All minerals are compounds.

Specific gravity is the ratio of a mineral's weight to the weight of an equal volume of water at 4-degrees C.

What is meant when minerals are referred to as "crystalline solids?"

The chemical formula KAlS₃O₈ means that the mineral orthoclase is composed of one atom of K and one of Al for every ____ of Si and ____ of O.

Ionic bonds occur when electrons ____.

How do a rock and a mineral differ?

Different isotopes of the same element differ from each other because they have different ____________________.

In different specimens of the same type of mineral the interfacial angles between crystal faces are

How does a mineral reserve differ from a mineral resource?

Give an example of a nonferromagnesian silicate.

For a neutrally-charged atom to become a positively-charged atom of the same element it must do what?

Van der Waals bonds occur between atoms or compounds without free electrons.

The positively charged atom in the above question is also called what?

What are the eight chemical elements that make up over 99 percent of Earth's crust?

What is a rock?

Isotopes of the same element have ____.