2 pts Question 9 Based on the given descriptions, classify each ofthe solids as

Question

2 pts Question 9 Based on the given descriptions, classify each ofthe solids as molecular, metallic, ionic, network or amorphous. A) A soft, slippery solid that has no definite melting point but decomposes at temperatures above 250 c the solid does not conduct electricity [Select l' B) Violet crystals that melt at 114 c and whose vapor irritates the nose; neither the solid nor the liquid conducts electricity (Select l C) Hard, colorless crystals that melt at 2800 c; the liquid conducts electricity, but the solid does not. Select

Explanation / Answer

A) Amorphous Solid
( these solids do not have definite crystalline structure, so it does not have definite melting point, and it does not conduct electricity).
B) Molecular Solid (these solids are made up of molecules held together by intermolecular forces that is they are not made up of bonds, hence the forces keeping them together are much weaker than other solids. due to which they have lower melting point).
C) Ionic Solid ( these solids are ionic in nature, since the ions only form in liquid state, they only conduct electricity at liquid phase).

D) Metallic Solid ( these solids are good conductor of heat and electricity ib solid and liquid phases).

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