What is valency? How can you easily determine an element's valency? How can you create formulas based on valency? You'll understand all this easily after watching this video 😉
To reinforce the material, I've provided assignments for independent work. And I've filled the whole thing with memes :)
#chemistryfromscratch #romannadtochiy #elementarychemistry
#chemistry7thgrade #chemistry8thgrade
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