Chem Chp. 6

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Author:
nanns0330
ID:
237726
Filename:
Chem Chp. 6
Updated:
2013-09-29 18:14:13
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Chemistry Chapter
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Chem chapter 6 terms
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  1. Atomic Radius
    1/2 the distance between the nuclei of 2 atoms of the same element joined together.
  2. Ion
    An atom or group of atoms with a positive or negative charge.
  3. Cation
    Ion with a positive charge
  4. Anion
    Ion with a negative charge
  5. Ionization Energy
    Energy required to remove an electron from an atom
  6. Ionic Radius
    Cations are always smaller than the atoms from which they form. Anions are always larger than the atoms from which they form
  7. Electronegativity
    The ability of an atom to attract electrons when an atom is in a compound
  8. Valence Electrons
    Electrons in the highest occupied energy level
  9. List 2 Characteristics of Metals, Nonmetals, and Metalloids.
    Metals: Good conductors of heat, malleable

    Nonmetals: Poor conductors of heat, Most are gases at room temperature 

    Metalloids: Have properties of both metals and nonmetals, Behavior can be controlled by changing conditions
  10. The following groups are also known as: Group 1A, Group 2A, Group B Elements, Group 7A, Group 8A
    • Group 1A: Alkali Metals 
    • Group 2A: Alkaline Earth Metals 
    • Group B Elements: Transition Metals 
    • Group 7A: Halogens
    • Group 8A: Noble gases
  11. Atomic Radius Trends
    • Increases going down by group
    • Decreases going right by period
  12. Ionization Energies Trends
    • Decreases going down by the group
    • Increases going right by period
  13. Ionic Radius Trends
    • Increases going down by group
    • Decreases going right by period
  14. Electronegativity Trends
    • Decreases going down by group 
    • Increases going right by period

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