Isotopes, Percent Abundance, Atomic Mass | How to Pass Chemistry

In this video you’re finally gonna understand what an isotope is and how to calculate percent abundance. All right let’s do this. Hello hello Melissa Maribel here and I help students like you understand what you just learned in class so you stress less and you graduate faster. Before we get started let’s take a […]

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Potassium Metal “Explosion” in Water! (Alkali Metals Chemistry/Science)

Hey Everybody! Today, I’m going to be dunking potassium metal into water! (Slow-Motion Clip of Reaction) Slow motion “Woah!” So this is the Potassium metal we’re going to be cutting, and throwing into water. Don’t get too exited though, it’s only a quarter of a gram nugget, and this is only a test. So first, […]

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