MCAT Chem Ch 2

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Author:
DesLee26
ID:
303414
Filename:
MCAT Chem Ch 2
Updated:
2015-05-30 16:38:24
Tags:
MCAT
Folders:
MCAT2
Description:
MCAT
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  1. Metal characteristics
    • High mp and density
    •  all eagle 
    • ductile
    • good conductors of heat and electricity
  2. Nonmetal characteristics
    High ionization energies, electron affinities, and ENs
  3. Effective nuclear charge
    Electrostatic attraction between the valence she'll electrons and the nucleus

    • increases from left to right
    • constant moving up or down
  4. Atomic radius
    Equal to half the distance between the centers of two atoms of an element that are briefly in contact with each other 

    decreases from left to right and increases from top to bottom
  5. Ionization is endothermic or exothermic
    Endothermic
  6. Electron affinity is endothermic or exothermic
    Exo
  7. Electron affinity
    The energy dissipated by a gaseous species when it gains an electron

    increases from left to right
  8. Relationship between EN and ionization
    e lower the EN the Lowe the IE and vise versa
  9. Which is larger, first or second IE?
    Second
  10. Atoms needing only one or two electrons have __
    Higher electron affinities

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