Please help me

Please help me Q. 11) Q. 12) Q. 13) Q 14) Q. 15) D is at the faces of the cube. What is the formula of the compound ? Name the type of solid in SB molecule. Name the type of solid formed Present in Ammonium phosphate ? Write uses of Fullerene. Which type of hybridisation is present in carbon atom in fullerene? What is the force between the layer of carbon atoms in graphite ? Q. 16) Q. 17) Q. 18) Q. 19) Q. 20) How density of solid varies in Schottky defect ? How density of solid varies in Frenkel defect ? How many kg of carbon does 0.1 mole of Buckminster Fullerene contain ? Calculate number of unit cells in 58.5 of a compound which forms BCC. [Molar mass of a compound = 58.5] Write an example of element in which atoms occupy the position of lattice points ? Section A- Questions of 1 Mark VSA (Which can be combined with sections BICID) Define crystalline solid. 3