Homework Help: physics

Posted by jandy on Monday, April 16, 2012 at 2:22pm.

calculate the net charge on a substance consisting of a combination of 3.0X10^13 protons and 8.6X10^13 electrons.

physics - bobpursley, Monday, April 16, 2012 at 3:11pm
What is (8.6-3.0)E13*chargeperelectron?
physics - Elena, Monday, April 16, 2012 at 3:32pm
The number of electrons is greater than the number of protons, therefore,
the net charge is negative:
(8.6-3) •10613•(-1.6•10^-19)=
= - 8.97•10-6 C

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