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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Imbajade Imbajade
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5 years ago
Refer to the table below.  Use charge balance to determine the value of x in the phyllosilicate Zn3(Si2O5)2(OH)x.

Table 23.2  Types of Silicate Structures
TetrahedronsShared VerticesFormula UnitSi : O  RatioClass NameExample
Single tetrahedron0SiO44-1 : 4Orthosilicates, nesosilicatesOlivine, Mg2SiO4
Double tetrahedron1Si2O76-2 : 7Pyrosilicates,
sorosilicatesHardystonite, Ca2ZnSi2O7
Single chain2SiO32-1 : 3Pyroxenes, inosilicatesJadeite, NaAl(SiO3)2
Double chain2 and 3Si4O116-4 : 11AmphibolesTremolite, Ca2(OH)2Mg5(Si4O11)2
Sheet3Si2O52-2 : 5PhyllosilicatesTalc, Mg3(Si2O5)2(OH)2
Network covalent4SiO21 : 2Silicas, tectosilicatesQuartz, SiO2
Network covalent4AlSi3O8- or
Al2Si2O82-VariableFeldsparsAlbite, NaAlSi3O8

A) 6
B) 4
C) 3
D) 1
E) 2
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
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amtw222amtw222
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Imbajade Author
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5 years ago
Good timing, thanks!
54321abs
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This site is awesome
larrybrads
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Helped a lot
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