Megane Thomas

1. Cộng đồng
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 ...

1. Cộng đồng
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?