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LMS Ch 5.1 DR

What Is a Mineral? Directed Reading

QuestionAnswer
To determine if a substance is a mineral or a nonmineral, scientists?? Ask four basic questions.
Scientists determine that a substance is a mineral when the answer to?? All four questions is yes.
What is an inorganic substance?? One that is not made up of living things or the remains of living things.
Which of the following is a question scientists ask to determine if a substance is a mineral?? Does the substance occur naturally?
How many different kinds of minerals have scientists identified?? More than 4000.
The common minerals are called?? Rock-Forming Minerals.
What are the two main groups of minerals?? Silicate and Nonsilicate.
What do all minerals in Earth’s crust have?? A Crystalline Structure.
How many sides does the basic building block of the crystalline structure of silicate minerals have?? 4.
The oxygen and silicon atoms of the tetrahedra may bond with?? Atoms of neighboring tetrahedra, and bonds may form between the oxygen atoms and other elements outside the tetrahedra.
What are common crystal structures for nonsilicate minerals?? Cubes, Hexagonal Prisms, and Irregular Masses.
Nonsilicates may form?? Aetrahedra that are similar to those in silicates.
What is true of the ions in the center of nonsilicate tetrahedra?? They are not silicon.
Carbonates?? Compounds that contain a carbonate group (CO3).
Halides?? Compounds that consist of chlorine or fluorinecombined with sodium, potassium, or calcium.
Native elements?? Elements uncombined with other elements.
Oxides?? Compounds that contain oxygen and an element other than silicon.
Sulfates?? Compounds that contain a sulfate group (SO4).
Sulfides?? Compounds that consist of one or more elements combined with sulfur.
Created by: ericyonggyuhong
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