Enter the elementary charge and the extra number of electrons into the calculator to determine the net charge.
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Net Charge Formula
The following formula is used to calculate a net charge.
Q = n * e
- Where Q is the net charge (C)
- n is the number of extra electrons gained or lost
- e is the charge of one electron (1.6*10^-19 C)
Net Charge Definition
What is a net charge? A net charge is the total charge of an atom that has gained or lost electrons causing it to have either a positive or negative charge.
Example Problem
How to calculate net charge?
- First, determine the charge of one electron.
An electron charge is known to be approximately 1.6*10^-19 (C) where C is the units of Coulombs.
- Next, determine the number of electrons gained or lost.
For this problem, the atom has gained 2 electrons.
- Finally, calculate the net charge.
Using the formula above, the net charge is found to be 1.6*10^-19 * 2 = 3.2*10^-19.
