Monday
April 21, 2014

Homework Help: chem

Posted by jack on Wednesday, March 20, 2013 at 2:45pm.

For the indicated atom in each of the following molecules or ions, give the number and arrangement of the electron pairs around that atom.

(a) As in AsO43-
number:
arrangement:
linear
bent
trigonal planar
square planar
tetrahedral

(b) Se in SeO42-
number:
arrangement:

linear
bent
trigonal planar
square planar
tetrahedral

(c) S in H2S
number:
arrangement:

linear
bent
trigonal planar
square planar
tetrahedral

could u check if im right:
a. As in AsO43-

for number its 3
arrangement is tetrahedral

b. Se in SeO42-
# is 2
arrangement is tetrahedral

c. S in H2S
# is 1
arrangement is linear

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