Labels:bulletin board | daily | encyclical | fence | sky OCR: re made up of have internal structure harged an extremely tiny, positi er of electrons nucleus, around which a lyzing the way orbit. He deduced this positively in which -particles, whi radioactive charged particles given collide with atoms, are deflected whe atoms. the nucleus Of At first was thought rons and the atom was made up of ely charged different numbers ofa the Greek particle called the proton was word meaning "first, be unit from believed to be the funda ever, in 1932 which matter was made tambridge, colleague of Rutherford' that the James Chadwick, discov ticle called nucleus contained anoth though protor Ruthe
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