5
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Question 5 • Chemistry

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?

Answer
A
metallic bond and low melting point
B
covalent bond and high melting point
C
covalent bond and low melting point
D
metallic bond and high melting point

Explanation

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.

AI-written and checked against the verified answer.

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