[uno]

Hello,

I missed the below question on a quiz and can't figure out how to answer it.  Any help would be greatly appreciated.


If your body develops a charge of -10  (microcoulombs), how many excess electrons has it acquired?
Express your answer using two significant figures.
 


 Part B
What is their collective mass?
Express your answer using two significant figures.

 

[enahs]

Show your work and we can show you where you went wrong.
Linky

[Yggdrasil]

What is the charge of a single electron? (hint: look in the cover of a chemistry/physics textbook).