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10 June, 12:18

An amoeba has 1.00 x10^6 protons and a net charge of 0.300 pc. how many fewer electrons are there than protons

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  1. 10 June, 12:31
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    1 pico anything = 1 * 10^-12

    0.300 pico coulombs = 0.300 * 10^-12 coulombs = 3.00 * 10^-13 coulombs.

    1 proton has a charge of 1.60 * 10^-19 c

    1*10^6 protons have a charge of 1.6 * 10^-19 * 1*10^6

    Gross Charge of protons = 1.6 * 10^-13 c

    That's what the charge should be if only protons were present.

    However there are electrons around and when they are taken into consideration, the charge drops to 3.00 * 10^-13

    So the difference allows us to calculate the number of electrons. The way the question is worded, this is impossible. Sorry.
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