Скачать или смотреть Isotopes & Average Atomic Mass Explained | Why Atomic Weights Have Decimals

⚛️ Learn how isotopes determine an element's average atomic mass:
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Why does the atomic mass of an element like chlorine show up as 35.45 instead of a clean whole number? The answer lies in isotopes—atoms of the same element with different numbers of neutrons.

In this video, you'll learn:
What isotopes are and how to write them
Real examples of hydrogen isotopes: protium, deuterium, tritium
How isotope abundance affects atomic mass
How to calculate weighted average atomic mass step-by-step
Why atomic masses on the periodic table aren’t whole numbers

You’ll walk away understanding how real-world atoms vary—and how scientists use math to reflect that variety in the periodic table.

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