Step 1: H cannot be the central atom since it only forms 1 bond; C is the central atom.
Step 2: Determine the number of valence electrons:
Group Valence Electrons
H 1A 2 × 1 e– = 2 e–
C 4A 2 × 4 e– = 8 e–
Total: 10 valence e–
Step 3: Write the Lewis structure:
Write a Lewis structure for HCCH.
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Our tutors have indicated that to solve this problem you will need to apply the Lewis Dot Structure concept. You can view video lessons to learn Lewis Dot Structure. Or if you need more Lewis Dot Structure practice, you can also practice Lewis Dot Structure practice problems.
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Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.