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Classify each of the following solids as metallic, network covalent, ionic, or molecular.

a. It is insoluble in water, melts above , and does not conduct electricity either as a solid, dissolved in water, or solvent.

b. It dissolves in water but does not conduct electricity as an aqueous solution, as a solid, or when molten.

c. It dissolves in water, melts above , and conducts electricity when present in aqueous solution.

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Angelli Ocampo
Angelli OcampoLv7
14 Nov 2020

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Related questions

Which set of properties would identify an unknown white solid as a molecular compound?
I. Contains a metal.
II. Has a definite crystal structure.
III. Dissolves in water, but not in organic liquids.
IV. Melts at 80 degrees Celsius.
V. Does not conduct electricity when melted.

1- The main classes of solids we will be testing are thefollowing: ionic, covalent network, metallic, and molecular.

Rank the general trend for these classes from lowest mpto highest.

( ) <( ) < ( ) < ( )

2. What is the general trend of how the classes dissolve?

  • ionic = [ Select ] ["rarelydissolves", "dissolves only in nonpolar solvents", "dissolves onlyin polar solvents", "may dissolve in nonpolar or polar solvents"]
  • covalent network = [ Select ] ["rarelydissolves", "dissolves only in nonpolar solvents", "dissolves onlyin polar solvents", "may dissolve in nonpolar or polar solvents"]
  • metallic = [ Select ] ["rarelydissolves", "dissolves only in nonpolar solvents", "dissolves onlyin polar solvents", "may dissolve in nonpolar or polar solvents"]
  • molecular = [ Select ] ["rarelydissolves", "dissolves only in nonpolar solvents", "dissolves onlyin polar solvents", "may dissolve in nopolar or polar solvents"]

3 - What is the general electrical conductivity trend of theclasses?

  • ionic: [Select ] ["rarely conducts","conducts well when dissolved", "conducts well as a solid"]
  • covalent network: [ Select ] ["rarelyconducts", "conducts well when dissolved", "conducts well as asolid"]
  • metallic: [ Select ] ["rarelyconducts", "conducts well when dissolved", "conducts well as asolid"]
  • molecular: [ Select ] ["rarelyconducts", "conducts well when dissolved", "conducts well as asolid"]

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