The incomplete table shows selected properties of compounds that have ionic, covalent, or metallic bonds. Row Bond Electrical conductivity Likely property 1 Ionic Yes High melting point 2 ? Yes ? 3 ? No ? Which information would best fill the blanks in row 3?

Covalent compounds generally do not conduct electricity because they lack freely moving charged particles. They also often have low melting points because the forces between their molecules are relatively weak. So row 3 is best filled with “covalent bond and low melting point,” choice C.

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