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18 Electron Rule

Organometallic Counting Game




18 Electron Rule is an organometallic chemistry card game designed to help inorganic chemistry students on their valence electron counting of a metal complex. Based on the game of 21 (blackjack), ligand and metal cards will be paired to reach the stable valence electron count, 18. A quick and easy game play that can re-enforce student's organometallic counting skills.  ​ Play for keeps with the addition of benzene poker chips (sold separately - pack of 60 chips).

Whats inside the box!

  • 40 Ligand Cards
  • 18 Metal Cards
  • 4 Ligand and Metal Count Card
  • 2 Game Rule Cards


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Average Rating 1 reviews
Publish Date December 11, 2018
Edition First
Department Games
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Why buy this?

  • Count via the covalent or ionic method
  • Beat the house and stack your benzene chips
  • Match ligand and metal cards to reach stability


  • This game contains a premium upgrade called UV Coating that makes the printed components more durable.
  • This game contains a premium upgrade where the printed components will be embossed with a linen texture.


See It In Action

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Ratings and Reviews

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Own It Played It Fun Priced Well High Replay Value Well Written Rules Nice Artwork


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