ISOTOPES

>> DIRECT DOWNLOAD LINK 🎞️ #1 <<

>> DIRECT DOWNLOAD LINK 🎞️ #2 <<

>> COPY / PASTE LINK PLEASE 🎞️ #3 <<

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YOUR LINK HERE:

http://youtube.com/watch?v=fDpYfIgdqlI

Isotopes are different forms of the same element, with the same protons but a different number of neutrons.

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