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"he proved the existence of neutrons - elementary particles devoid of any electrical charge. In contrast with the helium nuclei (alpha rays) which are charged, and therefore repelled by the considerable electrical forces present in the nuclei of heavy atoms, this new tool in atomic disintegration need not overcome any electric barrier and is capable of penetrating and splitting the nuclei of even the heaviest elements."

I read this over and over again but, i'm so confused as to what this paragrah about neutrons is saying. Can someone please help? I know its really long so thank you in advance!

  • science(reading) -

    Since they are neutral, neutrons are not effected by either positive or negative charges, so they can be used to split the nuclei of heavy atoms.

  • science(reading) -

    thank you!!!!

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