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Curated Video
Rules for Writing Resonating Structures: Get Them Right!
When writing resonance structures, it's essential to follow certain rules: only electrons move, not atoms; all structures must have valid bonding; and charges should be minimized. These guidelines ensure resonance structures accurately...
Teacher's Pet
Percent Composition and Empirical Formulas
Investigate empirical formulas and their relationships to the composition of a compound. The lesson first demonstrates a percent composition calculation. It then defines an empirical formula and applies it to given masses to determine a...
Socratica
Chemistry: Percent Composition
How much oxygen is in water? Is it the same as the chemical formula? Learners observe the differences between a substance's formula and its percent composition with a video from Socratica's Chemistry Lessons series. The narrator...
Get Chemistry Help
Chemistry Lesson: Percent Composition
Do you need a fast and thorough way to instruct your class members on how to determine the percent composition of a compound? Then this short resource will be a wonderful addition to your existing instructional methods. The video...
Curated OER
Formula from Mass Composition
Students of chemistry are shown how to calculate the empirical formula from a molecule's mass composition. Sal uses a variety of elements from the Periodic Table to demonstrate the process and the calculations involved to arrive at the...
Socratica
Empirical Formula
With empirical formulas, it's all about keeping it simple! Introduce the concept of empirical formula to your chemistry scholars through a detailed video from Socratica's Chemistry Lessons series. The resource uses visual...