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Discover the significance of the atomic number and mass number. A video lesson describes the relationship between the two numbers and the subatomic particles. The instructor leads several examples that use the two numbers to determine the number of protons, neutrons, and electrons in an atom.
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Concepts
Additional Tags
Instructional Ideas
- Post the video as a resource for absent pupils and those needing extra instruction
- Use the questions posed by the narrator as discussion questions in class
Classroom Considerations
- Requires knowledge of subatomic particles
Pros
- Incorporates questions to encourage active participation
- Video includes a summary of important concepts
Cons
- None