Question
Classify each of the following solids as ionic, metallic, molecular, network (covalent) or amorphous.
  1. Tetra phosphorus decoxide $(P_4O_{10})$
  2. Ammonium phosphate $(NH_4)_3PO_4$
  3. SiC
  4. $I_2$
  5. $P_4$
  6. Plastic
  7. Graphite
  8. Brass
  9. Rb
  10. LiBr
  11. Si

Answer

  1. Tetra phosphorous decoxide $(P_4O_{10}) –$ Molecular
  2. Ammonium phosphate $(NH_4)_3PO_4 –$ Ionic
  3. SiC - Covalent (network)
  4. $I_2 -$ Molecular
  5. $P_4 –$ Molecular
  6. Plastic – Amorphous
  7. Graphite – Covalent (network)
  8. Brass – Metallic
  9. Rb – Metallic
  10. LiBr – Ionic
  11. Si – Covalent (network)

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