Chemistry Question on p -Block Elements

Question

Example of a three-dimensional silicate is:

Answer 1

Solution

The feldspars are most abundant aluminosilicate minerals in the Earth surface. The silicon atoms and aluminium atoms occupy the centres of interlinked tetrahedra of ${SiO_4^{4-}}$ and ${AlO_4^{5-}}$ . These tetrahedra connect at each corner to other tetrahedra forming an intricate, three dimesional, negatively charged framework. The sodium cations sit within the voids in this structure