Atomic Scientists
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Thompson | 1897-98 | discoverd electrons by conducting experiments using a cathode ray tube
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Rutherford | 1909-11 | 1. proposed that in the center of the atom is a tiny, extremely dense, positively changed part called the nucleus. 2. empty space in atom
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Bohr | 1913 | applied the quantum concept which restrics the energy of a system to certain distint values ti the problem of atomic and molecular structure
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Chadwick | 1932-39 | theorized that atomic nuclei were too light to only contain 2 subatomic particles, he developed the idea of a neutron, a paricles, he developed the idea of of of a neutron, a particle with a neutral
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Democurtis | 460-370 BC | continued diving particles you would eventually get a small indivisible particle.
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Dalton | 1803 | 1. all matter is made of atoms
2. atoms of the material are all alike
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
smileyk
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