Chemistry lecture- 9/17/25

Problem 4 on PP explained

Elements , Compounds and Molecules and counting atoms in compounds.

https://us02web.zoom.us/rec/share/EVwJZnEUK59n0m3wmV0EVSA-YNZViJovfGcIcWGzsz5jGi3p0NK8-sBYkfzrqB2P.N2jdd-6pABmay_Ie?startTime=1758124879000

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