Multiple Choice
The double-stranded silicate ion shown in the picture below combines with calcium and magnesium to form the mineral tremolite,which is a form of asbestos.What is the formula and charge of the repeating unit of the silicate ion? 
A) SiO32-
B) Si4O116-
C) Si6O1710-
D) Si12O3012-
Correct Answer:

Verified
Correct Answer:
Verified
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