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Charge

If a substanc...

Question

If a substance has 58 electrons and 53 protons then find the net charge on the substance.

8 coulombs

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-8 coulombs

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1.6 coulombs

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-1.6 coulombs

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Solution

The correct option is B
-8 coulombs

The substance has 5 more electrons than the number of protons so the total charge will be

5 (-1.6 $\times$ $10^{- 19}$ ) = -8 $\times$ $10^{- 19}$ coulombs

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