neutron的weight是...
The weight of 1 neutron is 1.68 yoctograms. That is ...
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almost the same as proton (1.01 to be exact).
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1,846 times bigger than electronic .
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466,666,667 times bigger than electronic neutrino .
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64 times smaller than copper atom .
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914 times smaller than uranium atom .
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8,941,876,121 times smaller than influenza virus .
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814,234,995,705 times smaller than escherichia coli .
