Respostas

2014-03-02T19:54:00-03:00
Resposta

Q = 1C
e = 1,6.10⁻¹⁹

Q = n.e
1 = 1,6.10⁻¹⁹n
n = 1 /1,6.10⁻¹⁹
n = 0,625.10¹⁹
n = 6,25.10¹⁸ eletrons
10 4 10