Chemical Education Xchange

Passing the Torch: A Fond Farewell

Deanna Cullen | Sat, 01/11/2025 - 15:44

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Exciting changes at ChemEd X! A heartfelt farewell from the outgoing editor and a warm welcome to Erica Posthuma, our new High School Editor.

Models of Chlorinated Hydrocarbons and Dipoles

Dean Campbell | Fri, 01/10/2025 - 21:51

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Explore chlorinated hydrocarbons and dipoles with paper and toy models like LEGO, K’Nex, and Lux Blox! Paper models reinforce molecule polarity lessons, with templates and assignments included in the Supporting Information.

How a Burning Candle Can Teach Stoichiometry

Todd Hollis | Fri, 01/10/2025 - 09:57

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Make stoichiometry relatable! In this simple lab, students measure the mass of a burning candle and explore key questions like: 'How much CO₂ does a candle produce?' and 'How can we quantify CO₂ from engines?' Minimal setup, real-world impact, and engaging results!

The Diamonds of Winter

Tom Kuntzleman | Thu, 01/09/2025 - 09:44

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Take a walk and explore the chemical winter wonderland of snowflakes...and diamonds!

Application of the Ideal Gas Law and Avogadro’s Hypothesis

Michael Jansen | Mon, 12/30/2024 - 11:01

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Engage your Chemistry students with a dynamic, 40-minute lab that uses the Ideal Gas Law to uncover the molar masses of "mystery gases." Perfect for Grade 11 or Honors Chemistry, this adaptable experiment combines theory with real-world applications!

Apply to the 2025 VisChem Express Institute

Ellen Yezierski | Fri, 12/13/2024 - 21:32

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Discover the VisChem Approach to boost conceptual understanding with animations and constructivist strategies. Accepted applicants will attend a one-day, online mini-institute, join a supportive teaching community and gain access to a wealth of resources while earning a stipend. Apply today!

APTeach - Modeling Net Ionic Equations and Chemical Reactions

Shifra Yonis | Tue, 12/10/2024 - 08:19

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The November 2024 APTeach presentation outlined instructional strategies to model net ionic equations and chemical reactions using particulate models, chemical symbols, and observations to support students’ understanding of how chemicals react and interact at the particle level. A clip of the presentation and the presentation slidedeck are included here.