10. A neutral electroscope was charged to acquire a net charge of – 4.80 x 10^-15 C. a. Explain if the electroscope gained or lost electrons.
b. How many electrons were transferred to charge the electroscope?

the correct choice is a .

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where are the vectors ?

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.