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Answers by Suzanne O.

neutral atom (answer)

First some definitions: neutral atom:         # protons = # electrons ion:                       atom with a charge (too many or too few electrons compared to # protons) radical...

You have two problems here.  For the first one, a very good explanation can be found here on  how to proceed You have the angle (82 degrees) and the adjacent side (4250 feet) but need the opposite side's measurement,...