What is the lewis structure for hcn? Chemistry 1 Answer anor277 May 18, 2018 Well we got #1+4+5*"valence electrons"#...and so we got 5 electron pairs.... Explanation: And thus #H-C-=N:#...five electron pairs as required...#/_H-C-N=180^@#... Answer link Related questions How do I determine the molecular shape of a molecule? What is the lewis structure for co2? How is vsepr used to classify molecules? What are the units used for the ideal gas law? How does Charle's law relate to breathing? What is the ideal gas law constant? How do you calculate the ideal gas law constant? How do you find density in the ideal gas law? Does ideal gas law apply to liquids? What is the Charles's law equation? Impact of this question 42001 views around the world You can reuse this answer Creative Commons License