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How do you count half of a neutron? Solve the mystery of those awkward atomic masses that contain decimals with a video from JFR Science. The narrator shows viewers how to calculate the average atomic mass using the relative abundances of an element's isotopes.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Ask pupils to hypothesize about the decimals on the periodic table before showing the video
- Have the class practice weighted average calculations after the video
Classroom Considerations
- The resource requires little prior knowledge of the periodic table and is meant for beginning chemistry
- This video is hosted on YouTube
Pros
- Teachers can pause the video when the narrator poses a question to stimulate a class discussion
- The content is perfect for individual study
Cons
- None