Question

The fundamental units found in silicate is:

• A. $Si{O}_2$
• B. $Si{O}_4^{4-}$
• C. $Si{O}_3$
• D. $S{i}_2{O}_5^{2-}$

Answer 1

The correct option is B $Si{O}_4^{4-}$

(B) $Si{O}_4^4$

Because, four covalent Si-O bonds and each oxygen atom forms $1$ vertex of tetrahedron.