Geology

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Author:
brogan177
ID:
232035
Filename:
Geology
Updated:
2013-08-30 08:34:32
Tags:
GEO
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Description:
Chapter 1
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  1. What are valence electrons?
    Electrons that interact with other atoms to form chemical bonds

    Located in outer most shell
  2. What is atomic mass?
    number of protons and number of neutrons

    differs among isotopes of an element
  3. What is an ion?
    charged ion - too many or too few electrons than protons
  4. What is a cation?
    positively charged ion
  5. What is anion?
    Negatively charged ions
  6. What is the atomic number?
    Number of protons in nucleus

    fixed for every element
  7. What is a isotope?
    varient forms of an atom that differ with respect to number of neutrons in nucleus

    EX. oxygen - two fairly common isotopes

    Oxy 16 and Oxy 18
  8. What is a ionic bond?
    bond between ions held by electrical charge
  9. What is a covalent bond?
    bond between atoms sharing an electron

    "shared pair"

    strongest of the two bonds
  10. What is the definition of a mineral?
    Naturally occurring, generally inorganic solid with definable composition and a fixed crystalline structure

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