15.5.1: Chapter 1

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Problem 1-1

(a) 1s² 2s² 2p⁴

(b) 1s² 2s² 2p³

Problem 1-2

(a) 2

(b) 2

Problem 1-3

Problem 1-4

Problem 1-5

(a) CCl₄

(b) AlH₃

(d) SiF₄

(e) CH₃NH₂

Problem 1-6

(a)

The Lewis structure and chemical structure of chloroform.

(b)

The Lewis structure and chemical structure of hydrogen sulfide.

(c)

The Lewis structure and chemical structure of methylamine.

(d)

The Lewis structure and chemical structure of methyllithium.

Problem 1-7 C₂H₇ has too many hydrogens for a compound with two carbons.

Problem 1-8

The chemical structure and wedge-dash structure of propane, where all bond angles are near 109 degrees.

Problem 1-9

Problem 1-10

The CH₃ carbon is sp³; the double-bond carbons are sp²; the C $\text{=}$ C−C and C $\text{=}$ C−H bond angles are approximately 120°; other bond angles are near 109°.