Hydrogen Sulfide Lewis Structure Simplified

This article is a summary of the YouTube video ‘H2S Lewis Structure – How to Draw the Dot Structure for H2S’ by Wayne Breslyn

Written by: Recapz Bot

Written by: Recapz Bot

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How does it work?
The video explains H2S Lewis structure with 8 valence electrons.

Key Insights

  • The video is about creating the Lewis structure for H2S (dihydrogen sulfide).
  • Hydrogen, with one valence electron, is multiplied by 2 since there are two Hydrogen atoms present.
  • Sulfur is in group 6 on the periodic table, having 6 valence electrons, making a total of 8 valence electrons.
  • The Lewis structure is drawn with Sulfur placed on the outside.
  • The goal is to form a chemical bond between Hydrogens and Sulfur using 4 valence electrons out of the 8 available.
  • Hydrogens only need 2 valence electrons to complete their outer shell, so they are satisfied.
  • The remaining valence electrons are put around Sulfur, completing its outer shell requirement.
  • The Lewis structure for H2S is completed with all 8 valence electrons used.
  • The structural formula is drawn, showing the molecule as bent due to the influence of unbonded valence electrons pushing the Hydrogens down.
  • The video is presented by Dr. B, and concludes with gratitude for watching.

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Transcript

Alright, this is Dr. B. Let’s do the Lewis structure for H2S dihydrogen sulfide.

On the periodic table, Hydrogen, group 1, has one valence electron. But we have two Hydrogens here, so let’s multiply that by 2. Plus Sulfur is in group 6, or 16 on the periodic table, so it has 6 valence electrons, a total of 8 valence electrons.

Let’s draw this thing. We’ll put Sulfur here. It always goes on the outside, and we’ll put it out there. And now we want to take some of these valence electrons and spread them around the atoms.

Let’s start by forming a chemical bond between the Hydrogens and Sulfur. So we’ve used 4 valence electrons, and we have 8. And Hydrogen only needs 2 for a full outer shell, which it has. So Hydrogen’s good, and we’ll put the remaining valence electrons around the Sulfur, which needs 8 for a full outer shell.

Hydrogen has 8 valence electrons, and we’ve used all 8 of the valence electrons we had to do the Lewis structure for H2S. So that’s fine. We’re done with that, and we can draw a structural formula for it like this here. And the structural formula is bent because it is a bent molecule.

These valence electrons, these unbonded valence electrons kind of push the Hydrogens down. This is Dr. B., and thanks for watching.

This article is a summary of the YouTube video ‘H2S Lewis Structure – How to Draw the Dot Structure for H2S’ by Wayne Breslyn