EARTH SCIENCE Prentice Hall EARTH SCIENCE Tarbuck Lutgens 

2 Chapter 2 Minerals

Chapter 2 Definitions Vocabulary Quiz Tuesday 10/11/11 ION ISOTOPES COMPOUND MASS NUMBER ENERGY LEVEL ATOM ATOMIC NUMBER ELEMENT METALLIC BOND COVALENT BOND IONIC BOND CHEMICAL BOND

Elements and the Periodic Table 2.1 Matter  Elements  Over 100 elements are known.

Atoms  2.1 Matter  neutrons,  The nucleus is the central part of an atom and contains protons,

Atoms 2.1 Matter  Energy levels, or shells  The atomic number

Model of an Atom

Isotopes   Isotopes  2.1 Matter  The mass number

Types of Chemical Bonds 1. Ionic bonds 2.1 Matter 2. Covalent bonds 3. Metallic bonds

Finding Protons, Electron, & Neutrons

Definition of a Mineral 2.2 Minerals

How Minerals Form 2.2 Minerals

Mineral Groups  Can be classified based on their composition 2.2 Minerals 1. Silicates

Mineral Groups 2.2 Minerals 2. Carbonates 3. Oxides

Mineral Groups 2.2 Minerals 4. Sulfates and Sulfides 5. Halides 6. Native elements

Color 2.3 Properties of Minerals  Small amounts of different elements can give the same mineral different colors.

Streak 2.3 Properties of Minerals  is the color of a mineral in its powdered form.

Luster 2.3 Properties of Minerals  is used to describe how light is reflected from the surface of a mineral.

Crystal Form 2.3 Properties of Minerals  is the visible expression of a mineral’s internal arrangement of atoms.

Hardness 2.3 Properties of Minerals  Hardness  Mohs scale

Cleavage 2.3 Properties of Minerals  Cleavage

Fracture 2.3 Properties of Minerals   Fracture

Density 2.3 Properties of Minerals  Density