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YouTube
College Chemistry Tutorials
Isotopes: Mass Numbers and Notations
Isotopes are explained including a definition and examples of carbon-12, carbon-13, and carbon-14. From my lecture notes: Isotopes Atoms of the same element have the same number of protons in their nucleus. For neutral atoms, the number of electrons will be equal to the number of protons. Atoms of the same element can have different numbers of ...
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