Discover the relationship between mass number, atomic number, and the makeup of the atom. The video instructor explains how to determine the number of each subatomic particle from the atomic and mass number. She demonstrates multiple examples with various elements, helping to make the concept clear to viewers

Concepts

atoms, protons, atomic numbers, electrons, atomic mass number, neutrons, the nucleus, ions, cations

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Additional Tags

science

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Instructional Ideas

• Post the video as a resource for review
• Follow the video lesson with practice determining mass number, number of protons, neutrons, and electrons

Classroom Considerations

• Requires Internet access if assigning as independent viewing

• This video is hosted on YouTube

Pros

• Includes strategies to remember vocabulary
• Provides an option for closed captioning to assist ELL pupils

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 SL.9-10.2 SL.11-12.2 RST.6-8.7 RST.9-10.7 RST.11-12.7