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atomic structure
Question | Answer |
---|---|
what was Dalton's theory of the structure of the matter? | Proposed that all matter is made up od individual particles and cannot be broken down into simplier substance |
what contribution did Thomas make to the development of atomic theory? | provided evidence that atoms are made up of smaller particles |
what contribution did Rutherford make to the development of atomic? | according to the model all atom's positive charge is concentrated in the nucleus. |
what evidence did Thomas have that his glowing the beam contained negative charge particles? | he concluded that the beam contained negatively charge because it was attracted to the positive plate |
what is a nucleus? | nucleus is a dense positively charged mass located in the center of the atom |
if you observed a beam of particles being bent toward a negatively charged plate, what might you conclude? | the plate contains positively charged atom and is attracted to the negatively plate |