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For four years, James Chadwick ... mass but no charge. He called it a neutron, and imagined it as a paired proton and electron. There was no evidence for any of these ideas. Chadwick kept the ...
For four years, James Chadwick ... mass but no charge. He called it a neutron, and imagined it as a paired proton and electron. There was no evidence for any of these ideas. Chadwick kept the ...