An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?
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Take the total protons and subtract that number from the total electrons (neutrons are exempt because they have no charge). You then have the number 3 and multiply that by the elementary constant 1.60 x 10 -19. The answer is 4.8 x 10-19
1 answer