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1a. Low or no mass and at or close to speed of light particles (i.e. light/energy, electrons)
1b. High mass and slow (not near speed of light) particles (use humans, jets, earth)
2. Energy of electron = distance electron "is from nucleus.
3. We can not Exact the position AND speed of an electron. So, we know the Exact speed of an electron (speed of light) but never know the Exact location (thereby position) of an electron.
4. Region (or volume). Sometimes people call it an "area" but that is not mathematically correct since in math an area is 2 dimensional and this is 3 dimensional.
5a. Bohr
5b. Question 2
6. wave functions. Region of space outside the nucleus
7. Distance electron is from nucleus
8. Shape
9. Actual 3 dimensional region of space outside the nucleus of having the highest probability (about 90%) of finding an electron with that given amount of energy.
10. Complete area outside the nucleus so it is the whole volume of atom that is not the nucleus (i.e. Charged cloud).
11. Yes, Nodes, number of nodes in a energy level = the number of the energy level.