What are Isotopes?

This chemistry video tutorial answers the question - what are isotopes? Isotopes are substances that are composed of the same element but consist of different mass numbers and number of neutrons. They share the same atomic number and therefore the same number of protons. This video contains plenty of examples and practice problems associated with isotopes and writing the atomic symbol for it.

Chemistry - Basic Introduction:
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Significant Figures Review:
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Unit Conversion Problems:
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Pure Substances & Mixtures:
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Physical and Chemical Changes:
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Atoms - Basic Introduction:
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Cations and Anions Explained:
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Diatomic Elements & Molecules:
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Elements, Atoms, & Molecules:
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Protons, Neutrons, & Electrons:
   • How To Calculate The Number of Proton...  

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Average Atomic Mass:
   • How To Calculate The Average Atomic Mass  

What Are Isotopes?
   • What are Isotopes?  

Percent Abundance of Isotopes:
   • How To Find The Percent Abundance of ...  

Ionic and Covalent Bonding:
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Naming Molecular Compounds:
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Writing Formulas - Ionic Compounds:
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