Atomic Mass vs Atomic Weight vs Mass Number + Isotopes
This video explains the difference between atomic mass, atomic weight, and mass number using simple chemistry examples and periodic table basics. It covers how to find neutrons, why isotopes have different masses, and why these terms are often used interchangeably. The video also includes an introduction to radioactive isotopes, half-life, and how isotopes like carbon-11 are used in PET scans.
Timestamps:
0:00 Intro
0:23 Review
1:14 Mass Number
2:16 Atomic Mass
2:50 Atomic Weight
3:33 Summary
4:11 Isotopes
6:02 Outro
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