In cyclic silicate structure in which 6 tetrahedra are arranged cyclically, how many total oxygen are shared with other silicates units-
6
8
10
12
Solution- Cyclic silicates contain ions which are formed by linking three or more tetrahedral
units cyclically. Each unit shares two oxygen atoms with other units. So formula of cyclic silicate in which 6 tetrahedra are arranged cyclically is
. Out of 18 oxygen, 6 oxygens are shared with other units.

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