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Megane Thomas

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Chemistry Problem - Difference between relative atomic mass and average atomic mass
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1. Community
2. Study Group
Earlier on in the "Atoms, compounds and ions" playlist the weighted average of atomic masses was described as the relative atomic mass, but later on it was described as average atomic mass without ...
What's the difference between AP courses and regular courses?
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1. Community
2. General Khan Academy Questions
What does AP mean? What's the difference between AP courses and the regular courses? And would I be missing out on certain learning material if I were to choose one course over the other?