The incomplete table shows selected properties of compounds that have ionic, covalent, or metallic bonds. Row Substance Type of bond Likely property 1 KCl ? Brittle 2 ? Covalent Does not conduct electricity 3 ? ? Malleable Which substance would be most suitable for row 3?

Malleability is a typical property of metals: their atoms can shift past one another while metallic bonding holds the material together. Silver (Ag) is a metal, so it is the best choice for row 3. Sodium chloride is brittle, while propane and nitrogen are covalent substances.

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