Predict whether the bonds between the following pairs of elements are ionic, polar covalent, or nonpolar covalent. a. \(\mathrm{Na}-\mathrm{F}\) b. \(\mathrm{H}-\mathrm{I}\) c. \(\mathrm{N}-\mathrm{O}\) d. \(\mathrm{Al}-\mathrm{O}\) e. \(\mathrm{S}-\mathrm{O}\) f. \(\mathrm{H}-\mathrm{H}\)

Short Answer

Expert verified
Bond type predictions: \(\mathrm{Na}-\mathrm{F}\) is ionic, \(\mathrm{H}-\mathrm{I}\) is polar covalent, \(\mathrm{N}-\mathrm{O}\) is polar covalent, \(\mathrm{Al}-\mathrm{O}\) is ionic, \(\mathrm{S}-\mathrm{O}\) is polar covalent, and \(\mathrm{H}-\mathrm{H}\) is nonpolar covalent.

Step by step solution

01

Predict Bond Type for Na-F

In a pair \(\mathrm{Na}-\mathrm{F}\), F is much more electronegative than Na. The large electronegativity difference indicates the bond is ionic.
02

Predict Bond Type for H-I

For \(\mathrm{H}-\mathrm{I}\), I is more electronegative than H but the difference is not so large. The bond is polar covalent.
03

Predict Bond Type for N-O

In the \(\mathrm{N}-\mathrm{O}\) pair, the electronegativities of N and O are quite close. This suggests a polar covalent bond.
04

Predict Bond Type for Al-O

For \(\mathrm{Al}-\mathrm{O}\), O is much more electronegative than Al. The large electronegativity difference indicates the bond is ionic.
05

Predict Bond Type for S-O

In the \(\mathrm{S}-\mathrm{O}\) pair, the electronegativities of S and O are quite close. This suggests a polar covalent bond.
06

Predict Bond Type for H-H

In the \(\mathrm{H}-\mathrm{H}\) pair, the two atoms have identical electronegativities. This results in a nonpolar covalent bond.

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