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Instructional Video
Khan Academy: Atomic Number, Mass Number, and Isotopes Instructional Video
Khan Academy

Khan Academy: Atomic Number, Mass Number, and Isotopes

9th - 10th
Check your understanding of how to use the atomic number and the mass number to represent different isotopes. [9:43]
Get Free Access See Review
Instructional Video
Khan Academy: Atomic Number, Mass Number, and Isotopes Instructional Video
Khan Academy

Khan Academy: Atomic Number, Mass Number, and Isotopes

9th - 10th
How to use the atomic number and the mass number to represent different isotopes. [9:44]
Get Free Access See Review