Unit 2: Minerals

What is the smallest unit of an element that retains the properties of that element?

• Molecule

• Atom

• Compound

• Crystal

Which of the following is a naturally occurring solid substance with a definite chemical composition?

• Liquid

• Gas

• Mineral

• Plasma

What term describes the way light reflects off the surface of a mineral?

• Streak

• Luster

• Cleavage

• Hardness

Which of the following is NOT a characteristic of a mineral?

• Organic

• Inorganic

• Solid

• Naturally-Occurring

What is the term for the color of a mineral in powdered form?

• Luster

• Streak

• Cleavage

• Hardness

Which of the following describes a substance made of two or more elements chemically combined?

• Atom

• Element

• Compound

• Mixture

What is the term for the way a mineral breaks along flat surfaces?

• Fracture

• Cleavage

• Streak

• Luster

Which of the following is an example of matter?

• Light

• Sound

• Air

• Heat

What is the term for a solid in which the atoms are arranged in an orderly, repeating pattern?

• Liquid

• Gas

• Crystal

• Amorphous

Which of the following is a characteristic of all minerals?

• Organic

• Liquid

• Definite Chemical Composition

• Gaseous