chemistryyyy Word Scramble
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Question | Answer |
scientists disproved dalton's "indivisible" atom by detecting... | subatomic particles: proton, neutron, electron |
anatomy of an atom | atom=nucleus+electron cloud *an atom is mostly empty space |
the mass of an atom is in the... | nucleus |
atom | the smallest particle of an element that retains the chemical properties of that element |
the electron discovered by | J.J. Thomson |
Thomson knew the Cathode ray was composed of negatively charged particles because | the rays are deflected away from a negatively charged object |
Robert Millikan measured the exact...of the negative charge | value |
the very small mass of an electron compared to the relatively large mass of an atom is an indication of what? | that there is probably a positively charged particle in the atom that has much more mass than the electron. |
Created by:
v-ball7
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