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MCAT Chem Ch 2
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Metal characteristics
High mp and density
all eagle
ductile
good conductors of heat and electricity
Nonmetal characteristics
High ionization energies, electron affinities, and ENs
Effective nuclear charge
Electrostatic attraction between the valence she'll electrons and the nucleus
increases from left to right
constant moving up or down
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
Ionization is endothermic or exothermic
Endothermic
Electron affinity is endothermic or exothermic
Exo
Electron affinity
The energy dissipated by a gaseous species when it gains an electron
increases from left to right
Relationship between EN and ionization
e lower the EN the Lowe the IE and vise versa
Which is larger, first or second IE?
Second
Atoms needing only one or two electrons have __
Higher electron affinities
Author
DesLee26
ID
303414
Card Set
MCAT Chem Ch 2
Description
MCAT
Updated
2015-05-30T20:38:24Z
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