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Chem Chap 7-8
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Electron Affinity
more negative to the right
more positive down
ionization energy
positive left to right
decreasing going down
(highest in right corner)
atomic radius
atoms smaller left to right
larger going down
(highest at bottom left)
electronegativity
increases diagnally from lower left to upper right
(highest in top right)
x=>2.2
nonmetals
x=<1.8
metals
x=2
semimetals
non polar covalent bond=
atoms attract e- with equal amounts of strength
(no unit difference)
polar covalent bonds
e- are unequally attracted
(less than 2 unit difference)
ionic bond
sharing of e- so unequal that ions are formed
(2 units greater or more)
What
metal
can
What metal can form a covalent compound?
Be
Coulombs Law
E= kq1q2/d
What is the value of k?
2.31x10^-28 J x m
How many angstroms equals one meter?
10^-10
Author
ellen1010
ID
13243
Card Set
Chem Chap 7-8
Description
flashcards are info from chapter 7 and 8
Updated
2010-04-06T04:39:04Z
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