Unit 1, VSEPR Flashcards
A
central atom
X
surrounding atoms
E
pairs of lone electrons on the central atom
AX2
-linear
-non-polar molecule when surrounding atoms are both the same
-180
AX3
-trigonal planar
-non-polar molecule when surrounding atoms are both the same
-120
AX2E
-V shaped or bent
-<120
AX4
-tetrahedral
-non-polar molecule when surrounding atoms are both the same
-109.5
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AX3E
trigonal pyramidal
<109.5
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AX2E2
V shaped/bent/angular
<109.5
AX5
trigonal bipyramidal
-non-polar molecule when surrounding atoms are both the same
90(ax)
120(eq)
AX4E
seesaw
<90(ax)
<120(eq)
AX3E2
t shaped
<90(ax)
AX2E3
linear
180
AX6
octahedral
-non-polar molecule when surrounding atoms are both the same
90
AX5E
square pyramidal
<90
AX4E2
square planar
-non-polar molecule when surrounding atoms are both the same
90