Question

The basic structural unit of silicates is

• A. SiO-
• B. $SiO^{4-}_4$
• C. $SiO^{2-}_3$
• D. $SiO^{2-}_4$

Answer 1

Answer: (B)

$SiO^{4-}_4$

Answer 2

The correct option is (B): $SiO^{4-}_4$.