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Chapter 03 - Part 1
Matter and Minerals - Part 2
22
Geology
Undergraduate 3
09/27/2011

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Term
Mineral Definition
Definition
Any naturally occurring inorganic solid that possesses an orderly crystalline structure and a well defined chemical composition
Term
Mineral Characteristics
Definition
Naturally Occurring
Solid Substance
Orderly Crystalline Structure
Well defined chemical composition
Generally inorganic
Term
Building Blocks of Minerals
Definition
Atoms
Term
Atoms
Definition
Contain Protons and Neutrons located in the Nucleus
Electrons orbit the Nucleus
Term
Protons
Definition
Located in the nucleus
Positive Charge
Very Dense
Term
Neutrons
Definition
Located in the nucleus
No Charge
Very Dense
Term
Electrons
Definition
Orbit the nucleus
Negative charge
A lot less smaller, less dense, then protons and neutrons
Term
Principle Shells
Definition
Regions where electrons orbit
Each shell has it's own energy level and can hold a specific number of electrons
Term
Valence Electrons
Definition
The outermost principle shell holds the valence electrons
Term
Atomic Number
Definition
The number of protons in the nucleus of an atom
Determines chemical nature of atom
Term
Mass Number
Definition
Total number of protons and neutrons in an atom.
Term
Bonding
Definition
Ionic
Covalent
Mechanical
Term
Ionic Bonding
Definition
One atom gives up one or more valence electrons to another atom forming an ion
Term
Ion
Definition
Positively and Negatively charged atoms
Term
Positive Ion
Definition
The atom that loses electrons
Term
Negative Ion
Definition
The atom that gains electrons
Term
Covalent Bond
Definition
Chemical bond
The sharing of a pair of electrons between atoms
Term
Metallic Bonds
Definition
The valence electrons are free to move from one atom to another so that all atoms share the available valence electrons
Term
Electrons Transfered
Definition
Ionic Bond
Term
Electrons Shared
Definition
Covalent Bonds
Term
Electrons Free To Move
Definition
Metallic Bonds
Term
Octet Rule
Definition
Atoms tend to combine in such a way that they each have eight electrons in their valence shells
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