[" Number of oxygen atoms shared per "SiO_(4)^(4-)" tetrahedron in "],[" single stand chain silicates are "]

Number of oxygen atoms shared per SiO_(4)^(4-) tetrahedron in single chain silicates are "_________________" .

Number of oxygen atoms shared per SiO_(4)^(4-) tetrahedron in single chain silicates are "_________________" .

Number of oxygen atoms shared per SiO_(4)^(4-) tetrahedron in single chain silicates are "_________________" .

How many oxygen atoms are shared per SiO_4 tetrahedral in Beryl ?

Number of corner/oxygen atoms shared per tetrahedron in 3-D silicate and pyroxene silicate are ........and .......respectively-

The number of O-atoms that are shared per SiO_4 tetrahedra in silicate anion of beryl is-