Based on the following table, identify each unknown solid sample tested as ionic

Question

Based on the following table, identify each unknown solid sample tested as ionic, polar covalent, nonpolar covalent, or metallic.

Based on the following table, identify each unknown solid sample tested as ionic, polar covalent, nonpolar covalent, or metallic.

Sample Appearence H2O Soluble? Hexane Soluble? Ethyl Alcohol Soluble? Melting Point Conductivity in solid Conductivity in aqueous pH Rxn in HCl? Rxn in NaOH? #4 Clear Crystals Insoluble Soluble Soluble <100 No No 6 No Rxn No Rxn #8 Black Powder   Insoluble Insoluble Insoluble >100 No Yes 6 Rxn occurs No Rxn #10 White Crystals Insouble Soluble Soluble Unknown No Yes 3 No Rxn No Rxn #5 White Powder Soluble Insoluble Insoluble >100 No No 7 No Rxn No Rxn #6 Black Powder   Insoluble Insoluble Insoluble <100 Yes Yes 6 No Rxn No Rxn #11 Shiny Gray Solid   Insoluble Insoluble Insoluble Unknown Yes Yes 6 No Rxn No Rxn #2 Shiny Gray Solid Insoluble Insoluble Insoluble Unknown Yes Yes 5 No Rxn No Rxn #9 White Crystals    Soluble Soluble Insoluble Unknown No Yes 4 Rxn Occurs Rxn Occurs #7 Red powder Insoluble Insoluble Soluble >100 No Yes 6 No Rxn No Rxn #12 white powder Soluble Souble Insoluble >100 No Yes 12 Rxn Occurs No Rxn #3 White solid Soluble Insoluble Insoluble Unknown No Yes 7 Rxn Occurs No Rxn #1 White solid Insoluble Insoluble Insoluble Unknown No No 6 No Rxn No Rxn

Explanation / Answer

Identification of solids,

#4 : Non-polar covalent

#8 : Metalic

#10 : Ionic

#5 : Non-polar covalent

#6 : Metallic

#11 : Ionic

#2 : Metalic

#9 : Ionic

#7 : Ionic

#12 : Polar covalent

#3 : Polar covalent

#1 : Non-polar covalent

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