Classify the following solids as ionic, metallic, molecular, covalent or amorphous:

Classify the following solids as ionic, metallic, molecular, covalent or amorphous:

(i) Tetraphosphorus decaoxide [P2O10]  (ii) Graphite   (iii) SiC    (iv) Brass    (v) Rubidium   (vi) I2   (vii) Ammonium phosphate (NH3)3PO4    (viii) LiBr    (ix) Si    (x) Plastics    (xi) Solid CO2

Answer:

Molecular solid = (i) Tetraphosphorus decaoxide   (vi) I2   (xii) Solid CO2 

Ionic solid =    (vii) Ammonium phosphate (NH3)3PO4     (viii) LiBr   

Metallic solid =  (iv) Brass    (v) Rubidium     

Network solid =  (ii) Graphite   (iii) SiC   (ix) Si   

Amorphous solids = (x) Plastics.

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