What are Isotopes?
Isotopes Explained in Simple Words with Real-life Examples
What is an Isotope?
What are Isotopes? | Chemistry
Isotopes: The Siblings of Atoms
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Isotope notation: first example
CELEBRATION OF AFRICAN TRADITIONAL MEDICINE
同位体表記
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How To Find The Percent Abundance of Each Isotope - Chemistry
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Examples of Isotopes
Basics of Biology : An example of an isotope
Atomic Number, Mass Number, and Net Electric Charge
同位体とは何ですか?例を1つ挙げてください。 | クラス9 | 原子構造 | 化学 | ダウトナット
What's Inside an Atom? Protons, Electrons, and Neutrons!
Atomic Mass and Isotopes: Harder Example