The melting point of silicon dioxide (1713 ºC) is higher than the melting point of silicon (1414 ºC) — Solid State Chemistry Question
Question
The melting point of silicon dioxide (1713 ºC) is higher than the melting point of silicon (1414 ºC). What is the best explanation for this difference?
A.✓ Correct
Silicon-oxygen bonds are stronger than silicon-silicon bonds.
B.
Silicon dioxide is an ionic solid while silicon is a metallic solid.
C.
Silicon dioxide is polar while silicon is nonpolar.
D.
Silicon dioxide forms tetragonal crystals while silicon forms cubic crystals.
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